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{ "variantCount": 1, "variants": [{ "id": "67699217006685", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "2017-2019 L5P HD pickup application." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "2017-2019 L5P HD pickup application." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "2017-2019 L5P HD pickup application." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "2017-2019 L5P HD pickup application." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "67699216515165", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] } ] }

{ "variantCount": 6, "variants": [{ "id": "44214428139613", "title": "Stock Optimized (+0HP) \/ Yes", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] }, { "id": "44214428172381", "title": "Stock Optimized (+0HP) \/ No", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] }, { "id": "44214428205149", "title": "Tow (+20HP) \/ Yes", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] }, { "id": "44214428237917", "title": "Tow (+20HP) \/ No", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] }, { "id": "44214428270685", "title": "Street (+40HP) \/ Yes", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] }, { "id": "44214428303453", "title": "Street (+40HP) \/ No", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "LZ0 engine only; LM2 excluded. ECM unlock required before tuning." } ] } ] }

{ "variantCount": 24, "variants": [{ "id": "44213561917533", "title": "GM Duramax LML Pickup (2011-2014) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213561950301", "title": "GM Duramax LML Pickup (2011-2014) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213561983069", "title": "GM Duramax LML Cab \u0026 Chassis (2011-2014) \/ Yes add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213562015837", "title": "GM Duramax LML Cab \u0026 Chassis (2011-2014) \/ No do not add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213562048605", "title": "GM Duramax LML Pickup (2015-2016) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213562081373", "title": "GM Duramax LML Pickup (2015-2016) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "44213562114141", "title": "GM Duramax L5P Pickup (2017-2019) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "44213562146909", "title": "GM Duramax L5P Pickup (2017-2019) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "44213562179677", "title": "GM Duramax L5P Pickup (2020-2021) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "44213562212445", "title": "GM Duramax L5P Pickup (2020-2021) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "44213562245213", "title": "GM Duramax L5P Pickup (2022-2023) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "44213562277981", "title": "GM Duramax L5P Pickup (2022-2023) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2022","2023"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. 2017-2018 E41 ECM requires unlock before tuning." } ] }, { "id": "67701804728413", "title": "GM Duramax LML Pickup (2011-2014) \/ Yes add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67701804761181", "title": "GM Duramax LML Pickup (2011-2014) \/ No do not add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67701804793949", "title": "GM Duramax LML Cab \u0026 Chassis (2015-2016) \/ Yes add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701804826717", "title": "GM Duramax LML Cab \u0026 Chassis (2015-2016) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701804859485", "title": "GM Duramax LML Cab \u0026 Chassis (2015-2016) \/ No do not add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701804892253", "title": "GM Duramax LML Cab \u0026 Chassis (2015-2016) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701804925021", "title": "GM Duramax LML Pickup (2015-2016) \/ Yes add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67701804957789", "title": "GM Duramax LML Pickup (2015-2016) \/ No do not add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015","2016"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67701804990557", "title": "GM Duramax LML Cab \u0026 Chassis (2011-2014) \/ No do not add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67701805023325", "title": "GM Duramax LML Cab \u0026 Chassis (2011-2014) \/ Yes add an EZ Lynk device \/ SOTF Calibration", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required." } ] }, { "id": "67703723884637", "title": "LM2 Pickup (2020-2022) \/ No do not add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. E46 ECM only; E66 and Global B excluded." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. E46 ECM only; E66 and Global B excluded." } ] }, { "id": "67703723917405", "title": "LM2 Pickup (2020-2022) \/ Yes add an EZ Lynk device \/ Single Calibration", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. E46 ECM only; E66 and Global B excluded." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "PTO-equipped trucks excluded. Compatible EZ LYNK device required. E46 ECM only; E66 and Global B excluded." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43757476413533", "title": "No Muffler", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Nissan", "model": "Titan XD", "engine": "5.0L", "type": "Cummins", "years": ["2016","2017","2018"], "body": "Pickup", "notes": "Titan XD with the 5.0L Cummins diesel." } ] }, { "id": "43757476446301", "title": "With Muffler", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Nissan", "model": "Titan XD", "engine": "5.0L", "type": "Cummins", "years": ["2016","2017","2018"], "body": "Pickup", "notes": "Titan XD with the 5.0L Cummins diesel." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43678321213533", "title": "409 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." } ] }, { "id": "67701770092637", "title": "304 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Requires the original four-bolt-flange turbo direct pipe." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43678320984157", "title": "2017-2019", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." } ] }, { "id": "43678321016925", "title": "2020-2025", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." } ] } ] }

{ "variantCount": 4, "variants": [{ "id": "44214969565277", "title": "2017 - 2019 \/ 4-inch Downpipe-Back \/ No Muffler", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." } ] }, { "id": "44214969630813", "title": "2017 - 2019 \/ 5-inch Downpipe-Back \/ No Muffler", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." } ] }, { "id": "43678320853085", "title": "2020 - 2025 \/ 4-inch Downpipe-Back \/ No Muffler", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." } ] }, { "id": "43678320918621", "title": "2020 - 2025 \/ 5-inch Downpipe-Back \/ No Muffler", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "HD pickup; excludes Cab \u0026 Chassis." } ] } ] }

{ "variantCount": 20, "variants": [{ "id": "44214523166813", "title": "2016 \/ Yes add an OBD2 + credits \/ Single Calibration: Stock Optimized (+0 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523199581", "title": "2016 \/ Yes add an OBD2 + credits \/ Single Calibration: Heavy Towing (+12 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523232349", "title": "2016 \/ Yes add an OBD2 + credits \/ Single Calibration: Light Towing (+24 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523265117", "title": "2016 \/ Yes add an OBD2 + credits \/ Single Calibration: Sport (+36 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523297885", "title": "2016 \/ Yes add an OBD2 + credits \/ Single Calibration: Performance (+40 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317543517", "title": "2016 \/ No do not add an OBD2 \/ Single Calibration: Stock Optimized (+0 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317576285", "title": "2016 \/ No do not add an OBD2 \/ Single Calibration: Heavy Towing (+12 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317609053", "title": "2016 \/ No do not add an OBD2 \/ Single Calibration: Light Towing (+24 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317641821", "title": "2016 \/ No do not add an OBD2 \/ Single Calibration: Sport (+36 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317674589", "title": "2016 \/ No do not add an OBD2 \/ Single Calibration: Performance (+40 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523330653", "title": "2017-2022 \/ Yes add an OBD2 + credits \/ Single Calibration: Stock Optimized (+0 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523363421", "title": "2017-2022 \/ Yes add an OBD2 + credits \/ Single Calibration: Heavy Towing (+12 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523396189", "title": "2017-2022 \/ Yes add an OBD2 + credits \/ Single Calibration: Light Towing (+24 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523428957", "title": "2017-2022 \/ Yes add an OBD2 + credits \/ Single Calibration: Sport (+36 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "44214523461725", "title": "2017-2022 \/ Yes add an OBD2 + credits \/ Single Calibration: Performance (+40 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317871197", "title": "2017-2022 \/ No do not add an OBD2 \/ Single Calibration: Stock Optimized (+0 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317903965", "title": "2017-2022 \/ No do not add an OBD2 \/ Single Calibration: Heavy Towing (+12 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317936733", "title": "2017-2022 \/ No do not add an OBD2 \/ Single Calibration: Light Towing (+24 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678317969501", "title": "2017-2022 \/ No do not add an OBD2 \/ Single Calibration: Sport (+36 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] }, { "id": "43678318002269", "title": "2017-2022 \/ No do not add an OBD2 \/ Single Calibration: Performance (+40 HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Compatible OBD2 interface and tuning credits required; supplied only when selected." } ] } ] }

{ "variantCount": 8, "variants": [{ "id": "43678316986461", "title": "Yes add an OBD2 + credits \/ Stock Optimized (+0HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "43678317150301", "title": "Yes add an OBD2 + credits \/ All Tune Levels", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "43678317183069", "title": "No do not add an OBD2 \/ Stock Optimized (+0HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "43678317346909", "title": "No do not add an OBD2 \/ All Tune Levels", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "67703721132125", "title": "Yes add an OBD2 + credits \/ Tow (+20HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "67703721164893", "title": "Yes add an OBD2 + credits \/ Street (+40HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "67703721197661", "title": "No do not add an OBD2 \/ Tow (+20HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] }, { "id": "67703721230429", "title": "No do not add an OBD2 \/ Street (+40HP)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "E46 ECM only; E66\/Global B trucks excluded. ECM must be unlocked before tuning." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "43399560495197", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Factory turbo and exhaust-manifold connections; OEM-length up-pipes." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Factory turbo and exhaust-manifold connections; OEM-length up-pipes." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Factory turbo and exhaust-manifold connections; OEM-length up-pipes." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Factory turbo and exhaust-manifold connections; OEM-length up-pipes." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43788131336285", "title": "T409 Stainless Steel", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Ram", "model": "1500", "engine": "3.0L", "type": "EcoDiesel", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "Third-generation EcoDiesel. Extended or Crew Cab only; Regular Cab excluded. A 5 ft 7 in bed requires 7 in trimmed from the connector near the secondary pipe." } ] }, { "id": "44214944727133", "title": "T304 Stainless Steel", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Ram", "model": "1500", "engine": "3.0L", "type": "EcoDiesel", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "Third-generation EcoDiesel. Extended or Crew Cab only; Regular Cab excluded. A 5 ft 7 in bed requires 7 in trimmed from the connector near the secondary pipe." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "43268999970909", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009"], "body": "Pickup", "notes": "Pickup only; custom tuning required." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009"], "body": "Pickup", "notes": "Pickup only; custom tuning required." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43268997611613", "title": "304 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." } ] }, { "id": "43268997644381", "title": "409 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup with three-bolt flange only; excludes Cab \u0026 Chassis." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43268997415005", "title": "304 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] }, { "id": "43268997447773", "title": "409 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2019","2020","2021","2022","2023","2024"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43268997087325", "title": "409 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. 6.7L Cummins only." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. 6.7L Cummins only." } ] }, { "id": "67701771632733", "title": "304 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. 6.7L Cummins only." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. 6.7L Cummins only." } ] } ] }

{ "variantCount": 4, "variants": [{ "id": "43268997021789", "title": "4\" Downpipe-Back \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Does not fit 2500 trucks with Air-Ride suspension." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] }, { "id": "43268997054557", "title": "5\" Turbo-Back \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Does not fit 2500 trucks with Air-Ride suspension." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] }, { "id": "67701773271133", "title": "5\" Turbo-Back \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Does not fit 2500 trucks with Air-Ride suspension." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] }, { "id": "67701773303901", "title": "4\" Downpipe-Back \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Does not fit 2500 trucks with Air-Ride suspension." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded." } ] } ] }