Sale and Clearance: Diesel Performance

{ "variantCount": 1, "variants": [{ "id": "43268985127005", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "GM", "model": "Colorado", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Pipe length may need adjustment for the cab and box configuration." }, { "verified": true, "make": "GM", "model": "Canyon", "engine": "2.8L", "type": "Duramax LWN", "years": ["2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Pipe length may need adjustment for the cab and box configuration." } ] } ] }

{ "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": 3, "variants": [{ "id": "43788131631197", "title": "Delete Pipe (T409)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." } ] }, { "id": "43788131696733", "title": "Delete Pipe (T304)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." } ] }, { "id": "43788131663965", "title": "Downpipe Back (T409)", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Pickup only. Tune before hardware removal." } ] } ] }

{ "variantCount": 8, "variants": [{ "id": "43268976443485", "title": "2011-2015 \/ Delete Pipe \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "43268976476253", "title": "2011-2015 \/ Delete Pipe \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "43268976509021", "title": "2015.5-2016 \/ Delete Pipe \/ 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 only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "43268976541789", "title": "2015.5-2016 \/ Delete Pipe \/ 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 only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2015.5","2016"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "67701763571805", "title": "2011-2015 \/ 4\" Downpipe-Back Race Exhaust \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "67701763604573", "title": "2011-2015 \/ 5\" Downpipe-Back Race Exhaust \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Visually verify V-band (2011-early 2015) versus three-bolt flange (2015.5-2016) before ordering; tune before hardware removal." } ] }, { "id": "67701763637341", "title": "2015.5-2016 \/ 4\" Downpipe-Back Race Exhaust \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701763670109", "title": "2015.5-2016 \/ 5\" Downpipe-Back Race Exhaust \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 0, "applications": [] } ] }

{ "variantCount": 4, "variants": [{ "id": "43589457346653", "title": "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": "43589457477725", "title": "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": "67703719198813", "title": "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": "67703719231581", "title": "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": 6, "variants": [{ "id": "43597407092829", "title": "Single Calibration \/ Delete Pipe", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] }, { "id": "43597407125597", "title": "Single Calibration \/ 4-inch Exhaust", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] }, { "id": "43597407158365", "title": "Single Calibration \/ 5-inch Exhaust", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] }, { "id": "43597407191133", "title": "Switch On The Fly (SOTF) Calibration \/ Delete Pipe", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] }, { "id": "43597407223901", "title": "Switch On The Fly (SOTF) Calibration \/ 4-inch Exhaust", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] }, { "id": "43597407256669", "title": "Switch On The Fly (SOTF) Calibration \/ 5-inch Exhaust", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "F250\/F350 pickup only. Tune before hardware removal." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "43268981031005", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012","2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup only. 2013+ trucks may need IAT wiring extension; removing the grid heater affects cold-weather starting." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2007.5","2008","2009","2010","2011","2012","2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Pickup only. 2013+ trucks may need IAT wiring extension; removing the grid heater affects cold-weather starting." } ] } ] }

{ "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": 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." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43268996563037", "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": "43268996595805", "title": "2020-2023", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "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"], "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"], "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"], "body": "Pickup", "notes": "L5P HD pickup application. Select the correct generation; custom tuning required." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43268996333661", "title": "4\" System", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." } ] }, { "id": "43268996366429", "title": "5\" System", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015"], "body": "Pickup", "notes": "HD pickup only. Cab \u0026 Chassis and late-2015 trucks with a three-bolt flange excluded." } ] } ] }