aFe Power 49-44061-B Rebel Series 3" Stainless Steel Cat-Back Exhaust System In testing, the cat-back exhaust system resulted in gains up to +9 horsepower and +10 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2015 GMC Canyon V6-3.6L) Constructed out of 3" mandrel bent stainless steel tubing Includes a High-flow 18" stainless steel muffler Unique Dual, 3.5" Dia. black stainless steel middle exit tips w/laser-etched aFe power logos Single passenger side exit system