GM Duramax L5P 6.6L (2001-2025)

{ "variantCount": 12, "variants": [{ "id": "44214964191325", "title": "2017-2018 \/ Delete Pipe", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "44214964224093", "title": "2017-2018 \/ 4-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "44214964256861", "title": "2017-2018 \/ 5-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "44214964289629", "title": "2020 - 2023 \/ Delete Pipe", "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": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "44214964322397", "title": "2020 - 2023 \/ 4-inch Downpipe-Back Exhaust", "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": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "44214964355165", "title": "2020 - 2023 \/ 5-inch Downpipe-Back Exhaust", "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": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "43788131434589", "title": "2024-2025 \/ Delete Pipe", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "43788131467357", "title": "2024-2025 \/ 4-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "43788131500125", "title": "2024-2025 \/ 5-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "67701783822429", "title": "2019 \/ Delete Pipe", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "67701783855197", "title": "2019 \/ 4-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] }, { "id": "67701783887965", "title": "2019 \/ 5-inch Downpipe-Back Exhaust", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup only. 2024+ E42 ECM requires a separate HP Tuners unlock service. Select the exact year and ECM package; tune before hardware removal." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "43268995448925", "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","2025","2026"], "body": "Pickup", "notes": "HD pickup, four-bolt turbo flange. 2020+ trucks may need minor hanger adjustment; custom tuning required." }, { "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, four-bolt turbo flange. 2020+ trucks may need minor hanger adjustment; custom tuning required." }, { "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, four-bolt turbo flange. 2020+ trucks may need minor hanger adjustment; custom tuning required." }, { "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, four-bolt turbo flange. 2020+ trucks may need minor hanger adjustment; custom tuning required." } ] } ] }

{ "variantCount": 8, "variants": [{ "id": "67699219562589", "title": "2017-2018 \/ Yes add TCM Transmission Tuning + Credits", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219595357", "title": "2017-2018 \/ No do not add TCM Transmission Tuning", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219628125", "title": "2019 \/ Yes add TCM Transmission Tuning + Credits", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219660893", "title": "2019 \/ No do not add TCM Transmission Tuning", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2019"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219693661", "title": "2020 - 2023 \/ Yes add TCM Transmission Tuning + Credits", "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": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219726429", "title": "2020 - 2023 \/ No do not add TCM Transmission Tuning", "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": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219759197", "title": "2024-2026 \/ Yes add TCM Transmission Tuning + Credits", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] }, { "id": "67699219791965", "title": "2024-2026 \/ No do not add TCM Transmission Tuning", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025","2026"], "body": "Pickup", "notes": "HD pickup. Match the year and ECM package; 2024+ E42 unlock service is separate. TCM tuning is included only when selected." } ] } ] }

{ "variantCount": 1, "variants": [{ "id": "67699218612317", "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": "Aftermarket turbo and custom charge piping only; requires fabrication. Factory turbo and OEM intercooler piping excluded." }, { "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": "Aftermarket turbo and custom charge piping only; requires fabrication. Factory turbo and OEM intercooler piping excluded." }, { "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": "Aftermarket turbo and custom charge piping only; requires fabrication. Factory turbo and OEM intercooler piping excluded." }, { "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": "Aftermarket turbo and custom charge piping only; requires fabrication. Factory turbo and OEM intercooler piping excluded." } ] } ] }

{ "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": 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": 2, "variants": [{ "id": "44214968549469", "title": "Switch On The Fly (2017-2023)", "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"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019","2020","2021","2022","2023"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." } ] }, { "id": "43788131598429", "title": "Single Calibration (2024-2025)", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2024","2025"], "body": "Pickup", "notes": "Stock turbo and injectors only. Unlocked ECM, tuning interface and credits required. No hardware supplied." } ] } ] }

{ "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": 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": "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": "67703317758045", "title": "Tune File + Credits", "fitmentClass": "", "applicationCount": 8, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." } ] }, { "id": "67703317790813", "title": "Tune File Only", "fitmentClass": "", "applicationCount": 8, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2017","2018","2019"], "body": "Pickup", "notes": "Existing T87A transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax L5P", "years": ["2020","2021","2022","2023","2024","2025","2026"], "body": "Pickup", "notes": "Existing T93 transmission controller. Requires MPVI3\/MPVI4 interface and applicable tuning credits; interface sold separately." } ] } ] }