Gibson 11-13 GMC Sierra 1500 Denali 6.2L 3.5in Cat-Back Single Exhaust - Stainless

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 10-15 and 15-20lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty. Fits, Fitments 2011 Chevrolet Silverado 1500 LT 2011 Chevrolet Silverado 1500 LTZ 2011 GMC Sierra 1500 Denali 2011 GMC Sierra 1500 SLE 2011 GMC Sierra 1500 SLT 2012 Chevrolet Silverado 1500 LT 2012 Chevrolet Silverado 1500 LTZ 2012 GMC Sierra 1500 Denali 2012 GMC Sierra 1500 SLE 2012 GMC Sierra 1500 SLT 2013 Chevrolet Silverado 1500 LT 2013 Chevrolet Silverado 1500 LTZ 2013 GMC Sierra 1500 Denali 2013 GMC Sierra 1500 SLE 2013 GMC Sierra 1500 SLT