GM Duramax LMM 6.6L (2001-2022)

{ "variantCount": 4, "variants": [{ "id": "43268979687517", "title": "GM Duramax LB7 (2001-2004)", "fitmentClass": "", "applicationCount": 4, "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979720285", "title": "GM Duramax LLY (2004.5-2005)", "fitmentClass": "", "applicationCount": 4, "applications": [{ "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979753053", "title": "GM Duramax LBZ\/LMM (2006-2010)", "fitmentClass": "", "applicationCount": 8, "applications": [{ "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979785821", "title": "GM Duramax LML (2011-2016)", "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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." } ] } ] }

{ "variantCount": 2, "variants": [{ "id": "43757478248541", "title": "4-inch Downpipe-Back", "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": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." } ] }, { "id": "43757478281309", "title": "5-inch Downpipe-Back", "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": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "Extra Cab or Crew Cab HD pickup, short or long box. Cab \u0026 Chassis and three-bolt-flange systems excluded." } ] } ] }

{ "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." } ] } ] }

{ "variantCount": 4, "variants": [{ "id": "43268979818589", "title": "GM Duramax LB7 (2001-2004)", "fitmentClass": "", "applicationCount": 4, "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979851357", "title": "GM Duramax LLY (2004.5-2005)", "fitmentClass": "", "applicationCount": 4, "applications": [{ "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979884125", "title": "GM Duramax LBZ\/LMM (2006-2010)", "fitmentClass": "", "applicationCount": 8, "applications": [{ "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "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. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Silverado 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Silverado 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Sierra 2500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." }, { "verified": true, "make": "GM", "model": "Sierra 3500", "engine": "6.6L", "type": "Duramax LMM", "years": ["2007.5","2008","2009","2010"], "body": "Pickup", "notes": "HD pickup only. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." } ] }, { "id": "43268979916893", "title": "GM Duramax LML (2011-2016)", "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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal 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. Confirm engine code at changeover years. Vehicle-specific tune and licensed AutoCal required." } ] } ] }