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{ "variantCount": 1, "variants": [{ "id": "43269000003677", "title": "Default Title", "fitmentClass": "", "applicationCount": 6, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F550", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $199.00Unit price / per -
{ "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." } ] } ] }JS Speed Diesel|5 in stockRegular price $137.50Unit price / per -
{ "variantCount": 1, "variants": [{ "id": "43268999938141", "title": "Default Title", "fitmentClass": "", "applicationCount": 3, "applications": [{ "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018","2019","2020","2021"], "body": "Cab \u0026 Chassis", "notes": "Cab \u0026 Chassis only; pickups excluded. Custom tuning required." }, { "verified": true, "make": "Ram", "model": "4500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018","2019","2020","2021"], "body": "Cab \u0026 Chassis", "notes": "Cab \u0026 Chassis only; pickups excluded. Custom tuning required." }, { "verified": true, "make": "Ram", "model": "5500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018","2019","2020","2021"], "body": "Cab \u0026 Chassis", "notes": "Cab \u0026 Chassis only; pickups excluded. Custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $169.00Unit price / per -
{ "variantCount": 1, "variants": [{ "id": "43268999905373", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ram", "model": "2500", "engine": "6.7L", "type": "Cummins", "years": ["2010","2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "Pickup application; custom tuning required." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2010","2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022","2023","2024","2025"], "body": "Pickup", "notes": "Pickup application; custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $220.00Unit price / per -
{ "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." } ] } ] }JS Speed Diesel|10 in stockRegular price $587.60Unit price / per -
JS Speed Diesel|9 in stockRegular price $424.50Unit price / per
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JS Speed Diesel|5 in stockRegular price $137.50Unit price / per
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Off-Road Use Only!{ "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." } ] } ] }JS Speed Diesel|10 in stockRegular price $402.50Unit price / per -
{ "variantCount": 1, "variants": [{ "id": "43268997349469", "title": "Default Title", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Ford", "model": "F150", "engine": "3.0L", "type": "Powerstroke", "years": ["2018","2019","2020"], "body": "Pickup", "notes": "F150 with the 3.0L Powerstroke diesel." } ] } ] }JS Speed Diesel|5 in stockRegular price $148.50Unit price / per -
{ "variantCount": 4, "variants": [{ "id": "43268997218397", "title": "2011-2022 \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 3, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." } ] }, { "id": "67701767471197", "title": "2011-2022 \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 3, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014","2015","2016","2017","2018","2019","2020","2021","2022"], "body": "Pickup", "notes": "Cab \u0026 Chassis excluded. On 2017+ trucks with factory fifth-wheel preparation, modify the over-axle pipe for clearance." } ] }, { "id": "67701767503965", "title": "2023-2026 \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 0, "applications": [] }, { "id": "67701767536733", "title": "2023-2026 \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 0, "applications": [] } ] }JS Speed Diesel|20 in stockRegular price $605.00Unit price / per -
{ "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." } ] } ] }JS Speed Diesel|10 in stockRegular price $632.50Unit price / per -
{ "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." } ] } ] }SaleJS Speed Diesel|20 in stockRegular price $529.00Unit price / per$797.50Sale price $529.00 Regular price -
{ "variantCount": 2, "variants": [{ "id": "43268996923485", "title": "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." } ] }, { "id": "43268996956253", "title": "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." }, { "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. Excludes Cab \u0026 Chassis and late-2015 three-bolt-flange vehicles." } ] } ] }JS Speed Diesel|10 in stockRegular price $572.00Unit price / per -
{ "variantCount": 1, "variants": [{ "id": "43268996694109", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Hot-side charge pipe only; factory-style turbo and intercooler connections." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.4L", "type": "Powerstroke", "years": ["2008","2009","2010"], "body": "Pickup", "notes": "Hot-side charge pipe only; factory-style turbo and intercooler connections." } ] } ] }SaleJS Speed Diesel|5 in stockRegular price $165.00Unit price / per$220.00Sale price $165.00 Regular price -
{ "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." } ] } ] }SaleJS Speed Diesel|568 in stockRegular price $363.00Unit price / per$440.00Sale price $363.00 Regular price -
{ "variantCount": 4, "variants": [{ "id": "43268996399197", "title": "4\" Downpipe-Back \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 12, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." } ] }, { "id": "43268996431965", "title": "5\" Downpipe-Back \/ 409 Stainless Steel", "fitmentClass": "", "applicationCount": 12, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." } ] }, { "id": "67701775466589", "title": "4\" Downpipe-Back \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 12, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." } ] }, { "id": "67701775499357", "title": "5\" Downpipe-Back \/ 304 Stainless Steel", "fitmentClass": "", "applicationCount": 12, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LB7", "years": ["2001","2002","2003","2004"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LLY", "years": ["2004.5","2005"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Check wheelbase, bed length and spare-tire clearance." } ] } ] }SaleJS Speed Diesel|20 in stockRegular price $440.00Unit price / per$797.50Sale price $440.00 Regular price -
{ "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." } ] } ] }SaleJS Speed Diesel|10 in stockRegular price $505.00Unit price / per$786.50Sale price $505.00 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268996300893", "title": "Default Title", "fitmentClass": "", "applicationCount": 2, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "7.3L", "type": "Powerstroke", "years": ["1999","2000","2001","2002","2003"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Automatic or manual transmission." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "7.3L", "type": "Powerstroke", "years": ["1999","2000","2001","2002","2003"], "body": "Pickup", "notes": "Pickup chassis only; Cab \u0026 Chassis excluded. Automatic or manual transmission." } ] } ] }SaleJS Speed Diesel|5 in stockRegular price $522.50Unit price / per$770.00Sale price $522.50 Regular price -
JS Speed Diesel|20 in stockRegular price $510.00Unit price / per
$825.00Sale price $510.00 Regular price -
{ "variantCount": 2, "variants": [{ "id": "43268996005981", "title": "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": "Crew Cab or Mega Cab only. Regular Cab and Cab \u0026 Chassis excluded." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Crew Cab or Mega Cab only. Regular Cab and Cab \u0026 Chassis excluded." } ] }, { "id": "43268996038749", "title": "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": "Crew Cab or Mega Cab only. Regular Cab and Cab \u0026 Chassis excluded." }, { "verified": true, "make": "Ram", "model": "3500", "engine": "6.7L", "type": "Cummins", "years": ["2013","2014","2015","2016","2017","2018"], "body": "Pickup", "notes": "Crew Cab or Mega Cab only. Regular Cab and Cab \u0026 Chassis excluded." } ] } ] }JS Speed Diesel|10 in stockRegular price $347.50Unit price / per
