Gibson 15-19 GMC Sierra 2500 HD Base 6.6L 4in Filter-Back Single Exhaust - Stainless

You can expect significant gains in horsepower and torque, and a lower exhaust gas temperature. Fits, Fitments 2011 Chevrolet Silverado 2500 HD LT 2011 Chevrolet Silverado 2500 HD LTZ 2011 Chevrolet Silverado 2500 HD WT 2011 Chevrolet Silverado 3500 HD LT 2011 Chevrolet Silverado 3500 HD LTZ 2011 Chevrolet Silverado 3500 HD WT 2011 GMC Sierra 2500 HD Denali 2011 GMC Sierra 2500 HD SLE 2011 GMC Sierra 2500 HD SLT 2011 GMC Sierra 2500 HD WT 2011 GMC Sierra 3500 HD Denali 2011 GMC Sierra 3500 HD SLE 2011 GMC Sierra 3500 HD SLT 2011 GMC Sierra 3500 HD WT 2012 Chevrolet Silverado 2500 HD LT 2012 Chevrolet Silverado 2500 HD LTZ 2012 Chevrolet Silverado 2500 HD WT 2012 Chevrolet Silverado 3500 HD LT 2012 Chevrolet Silverado 3500 HD LTZ 2012 Chevrolet Silverado 3500 HD WT 2012 GMC Sierra 2500 HD Denali 2012 GMC Sierra 2500 HD SLE 2012 GMC Sierra 2500 HD SLT 2012 GMC Sierra 2500 HD WT 2012 GMC Sierra 3500 HD Denali 2012 GMC Sierra 3500 HD SLE 2012 GMC Sierra 3500 HD SLT 2012 GMC Sierra 3500 HD WT 2013 Chevrolet Silverado 2500 HD LT 2013 Chevrolet Silverado 2500 HD LTZ 2013 Chevrolet Silverado 2500 HD WT 2013 Chevrolet Silverado 3500 HD LT 2013 Chevrolet Silverado 3500 HD LTZ 2013 Chevrolet Silverado 3500 HD WT 2013 GMC Sierra 2500 HD Denali 2013 GMC Sierra 2500 HD SLE 2013 GMC Sierra 2500 HD SLT 2013 GMC Sierra 2500 HD WT 2013 GMC Sierra 3500 HD Denali 2013 GMC Sierra 3500 HD SLE 2013 GMC Sierra 3500 HD SLT 2013 GMC Sierra 3500 HD WT 2014 Chevrolet Silverado 2500 HD LT 2014 Chevrolet Silverado 2500 HD LTZ 2014 Chevrolet Silverado 2500 HD WT 2014 Chevrolet Silverado 3500 HD LT 2014 Chevrolet Silverado 3500 HD LTZ 2014 Chevrolet Silverado 3500 HD WT 2014 GMC Sierra 2500 HD Denali 2014 GMC Sierra 2500 HD SLE 2014 GMC Sierra 2500 HD SLT 2014 GMC Sierra 2500 HD WT 2014 GMC Sierra 3500 HD Denali 2014 GMC Sierra 3500 HD SLE 2014 GMC Sierra 3500 HD SLT 2014 GMC Sierra 3500 HD WT 2015 Chevrolet Silverado 2500 HD High Country 2015 Chevrolet Silverado 2500 HD LT 2015 Chevrolet Silverado 2500 HD LTZ 2015 Chevrolet Silverado 2500 HD WT 2015 Chevrolet Silverado 3500 HD High Country 2015 Chevrolet Silverado 3500 HD LT 2015 Chevrolet Silverado 3500 HD LTZ 2015 Chevrolet Silverado 3500 HD WT 2015 GMC Sierra 2500 HD Base 2015 GMC Sierra 2500 HD Denali 2015 GMC Sierra 2500 HD SLE 2015 GMC Sierra 2500 HD SLT 2015 GMC Sierra 3500 HD Base 2015 GMC Sierra 3500 HD Denali 2015 GMC Sierra 3500 HD SLE 2015 GMC Sierra 3500 HD SLT 2016 Chevrolet Silverado 2500 HD High Country 2016 Chevrolet Silverado 2500 HD LT 2016 Chevrolet Silverado 2500 HD LTZ 2016 Chevrolet Silverado 2500 HD WT 2016 Chevrolet Silverado 3500 HD High Country 2016 Chevrolet Silverado 3500 HD LT 2016 Chevrolet Silverado 3500 HD LTZ 2016 Chevrolet Silverado 3500 HD WT 2016 GMC Sierra 2500 HD Base 2016 GMC Sierra 2500 HD Denali 2016 GMC Sierra 2500 HD SLE 2016 GMC Sierra 2500 HD SLT 2016 GMC Sierra 3500 HD Base 2016 GMC Sierra 3500 HD Denali 2016 GMC Sierra 3500 HD SLE 2016 GMC Sierra 3500 HD SLT 2017 Chevrolet Silverado 2500 HD High Country 2017 Chevrolet Silverado 2500 HD LT 2017 Chevrolet Silverado 2500 HD LTZ 2017 Chevrolet Silverado 2500 HD WT 2017 Chevrolet Silverado 3500 HD High Country 2017 Chevrolet Silverado 3500 HD LT 2017 Chevrolet Silverado 3500 HD LTZ 2017 Chevrolet Silverado 3500 HD WT 2017 GMC Sierra 2500 HD Base 2017 GMC Sierra 2500 HD Denali 2017 GMC Sierra 2500 HD SLE 2017 GMC Sierra 2500 HD SLT 2017 GMC Sierra 3500 HD Base 2017 GMC Sierra 3500 HD Denali 2017 GMC Sierra 3500 HD SLE 2017 GMC Sierra 3500 HD SLT 2018 Chevrolet Silverado 2500 HD High Country 2018 Chevrolet Silverado 2500 HD LT 2018 Chevrolet Silverado 2500 HD LTZ 2018 Chevrolet Silverado 2500 HD WT 2018 Chevrolet Silverado 3500 HD High Country 2018 Chevrolet Silverado 3500 HD LT 2018 Chevrolet Silverado 3500 HD LTZ 2018 Chevrolet Silverado 3500 HD WT 2018 GMC Sierra 2500 HD Base 2018 GMC Sierra 2500 HD Denali 2018 GMC Sierra 2500 HD SLE 2018 GMC Sierra 2500 HD SLT 2018 GMC Sierra 3500 HD Base 2018 GMC Sierra 3500 HD Denali 2018 GMC Sierra 3500 HD SLE 2018 GMC Sierra 3500 HD SLT 2019 Chevrolet Silverado 2500 HD High Country 2019 Chevrolet Silverado 2500 HD LT 2019 Chevrolet Silverado 2500 HD LTZ 2019 Chevrolet Silverado 2500 HD WT 2019 Chevrolet Silverado 3500 HD High Country 2019 Chevrolet Silverado 3500 HD LT 2019 Chevrolet Silverado 3500 HD LTZ 2019 Chevrolet Silverado 3500 HD WT 2019 GMC Sierra 2500 HD Base 2019 GMC Sierra 2500 HD Denali 2019 GMC Sierra 2500 HD SLE 2019 GMC Sierra 2500 HD SLT 2019 GMC Sierra 3500 HD Base 2019 GMC Sierra 3500 HD Denali 2019 GMC Sierra 3500 HD SLE 2019 GMC Sierra 3500 HD SLT