Features:
- OEM design with washers.
- Thread length increased to accommodate washer thickness.
- Two screws are 5 mm longer to accommodate downpipe mounting bracket.
- Our design preserves thread engagement whereas other companies do not.
VEHICLE FITMENT:
2016 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2016 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2016 GMC Savana 8 Cyl 6.6 Liter Turbo
2016 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2016 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2015 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2015 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2015 GMC Savana 8 Cyl 6.6 Liter Turbo
2015 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2015 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2014 GMC Savana 8 Cyl 6.6 Liter Turbo
2014 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2014 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2013 GMC Savana 8 Cyl 6.6 Liter Turbo
2013 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2013 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2012 GMC Savana 8 Cyl 6.6 Liter Turbo
2012 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2012 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2011 GMC Savana 8 Cyl 6.6 Liter Turbo
2011 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2011 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2010 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2010 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2010 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2010 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2009 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2009 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2009 GMC Savana 3500 8 Cyl 6.6 Liter Turbo
2009 GMC Savana 2500 8 Cyl 6.6 Liter Turbo
2009 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2009 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2008 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2008 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2008 GMC Savana 3500 8 Cyl 6.6 Liter Turbo
2008 GMC Savana 2500 8 Cyl 6.6 Liter Turbo
2008 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2008 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2007 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2007 GMC Sierra 3500 Classic 8 Cyl 6.6 Liter Turbo
2007 GMC Sierra 2500HD Classic 8 Cyl 6.6 Liter Turbo
2007 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2007 GMC Savana 3500 8 Cyl 6.6 Liter Turbo
2007 GMC Savana 2500 8 Cyl 6.6 Liter Turbo
2007 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2007 Chevrolet Silverado 3500 Classic 8 Cyl 6.6 Liter Turbo
2007 Chevrolet Silverado 2500HD Classic 8 Cyl 6.6 Liter Turbo
2007 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2006 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2006 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2006 GMC Savana 3500 8 Cyl 6.6 Liter Turbo
2006 GMC Savana 2500 8 Cyl 6.6 Liter Turbo
2006 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2006 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2005 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2005 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2005 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2005 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2004 GMC Sierra 3500HD LLY 8 Cyl 6.6 Liter Turbo
2004 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2004 GMC Sierra 2500HD LLY 8 Cyl 6.6 Liter Turbo
2004 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 3500HD LLY 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 2500HD LLY 8 Cyl 6.6 Liter Turbo
2004 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2003 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2003 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2003 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2003 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2002 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2002 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2002 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2002 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo
2001 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo
2001 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo
2001 Chevrolet Silverado 3500HD 8 Cyl 6.6 Liter Turbo
2001 Chevrolet Silverado 2500HD 8 Cyl 6.6 Liter Turbo