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JS Speed Diesel|5 in stockRegular price $137.50Unit price / per
Sale price $137.50 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268979589213", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "Late-2006 to early-2007 LBZ only. Confirm production date and engine code; LMM excluded." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "Late-2006 to early-2007 LBZ only. Confirm production date and engine code; LMM excluded." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "Late-2006 to early-2007 LBZ only. Confirm production date and engine code; LMM excluded." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "Late-2006 to early-2007 LBZ only. Confirm production date and engine code; LMM excluded." } ] } ] }JS Speed Diesel|8 in stockRegular price $142.99Unit price / per
Sale price $142.99 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43624622784605", "title": "Default Title", "fitmentClass": "", "applicationCount": 5, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.0L", "type": "Powerstroke", "years": ["2003","2004","2005","2006","2007"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.0L", "type": "Powerstroke", "years": ["2003","2004","2005","2006","2007"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.0L", "type": "Powerstroke", "years": ["2003","2004","2005","2006","2007"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.0L", "type": "Powerstroke", "years": ["2003","2004","2005","2006","2007"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F550", "engine": "6.0L", "type": "Powerstroke", "years": ["2003","2004","2005","2006","2007"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $150.00Unit price / per
Sale price $150.00 Regular price -
{ "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
Sale price $169.00 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268987682909", "title": "Default Title", "fitmentClass": "", "applicationCount": 1, "applications": [{ "verified": true, "make": "Ram", "model": "1500", "engine": "3.0L", "type": "EcoDiesel", "years": ["2014","2015","2016","2017","2018","2019"], "body": "Pickup", "notes": "Full EGR removal is for Ram 1500 only; custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $203.50Unit price / per
Sale price $203.50 Regular price -
{ "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
Sale price $220.00 Regular price -
{ "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": 1, "variants": [{ "id": "43549850959965", "title": "Stainless steel", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "LBZ engine only. Fits late 2006 to early 2007. Excludes LMM engines and Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "LBZ engine only. Fits late 2006 to early 2007. Excludes LMM engines and Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "LBZ engine only. Fits late 2006 to early 2007. Excludes LMM engines and Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LBZ", "years": ["2006","2007"], "body": "Pickup", "notes": "LBZ engine only. Fits late 2006 to early 2007. Excludes LMM engines and Cab \u0026 Chassis." } ] } ] }SaleJS Speed Diesel|5 in stockRegular price $399.99Unit price / per
$495.00Sale price $399.99 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268988239965", "title": "Default Title", "fitmentClass": "", "applicationCount": 6, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F550", "engine": "6.7L", "type": "Powerstroke", "years": ["2011","2012","2013","2014"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." } ] } ] }SaleJS Speed Diesel|5 in stockRegular price $181.50Unit price / per
$225.50Sale price $181.50 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268986208349", "title": "Default Title", "fitmentClass": "", "applicationCount": 6, "applications": [{ "verified": true, "make": "Ford", "model": "F250", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F350", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F450", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." }, { "verified": true, "make": "Ford", "model": "F550", "engine": "6.7L", "type": "Powerstroke", "years": ["2015","2016"], "body": "Cab \u0026 Chassis", "notes": "Custom tuning required." } ] } ] }SaleJS Speed Diesel|5 in stockRegular price $214.50Unit price / per
$247.50Sale price $214.50 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268975362141", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LM2", "years": ["2020","2021","2022"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "GM", "model": "Silverado 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "Custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 1500", "engine": "3.0L", "type": "Duramax LZ0", "years": ["2023","2024","2025"], "body": "Pickup", "notes": "Custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $275.00Unit price / per
Sale price $275.00 Regular price -
{ "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." } ] } ] }SaleJS Speed Diesel|10 in stockRegular price $299.00Unit price / per
$440.00Sale price $299.00 Regular price -
{ "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
Sale price $199.00 Regular price -
{ "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
Sale price $137.50 Regular price -
{ "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
Sale price $148.50 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": 1, "variants": [{ "id": "43268995842141", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015","2016"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Custom tuning required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015","2016"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015","2016"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014","2015","2016"], "body": "Pickup", "notes": "HD pickup only; Cab \u0026 Chassis excluded. Custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $209.00Unit price / per
Sale price $209.00 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268995416157", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "LML HD pickup application; custom tuning required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "LML HD pickup application; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "LML HD pickup application; custom tuning required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LML", "years": ["2011","2012","2013","2014"], "body": "Pickup", "notes": "LML HD pickup application; custom tuning required." } ] } ] }JS Speed Diesel|5 in stockRegular price $137.50Unit price / per
Sale price $137.50 Regular price -
{ "variantCount": 1, "variants": [{ "id": "43268981620829", "title": "Default Title", "fitmentClass": "", "applicationCount": 4, "applications": [{ "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "LMM pickup only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "LMM pickup only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "LMM pickup only; excludes Cab \u0026 Chassis." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "LMM pickup only; excludes Cab \u0026 Chassis." } ] } ] }JS Speed Diesel|5 in stockRegular price $149.99Unit price / per
Sale price $149.99 Regular price


