This Rebel Series exhaust is a dual, middle-side exit system for the 2009-2018 GM Silverado/Sierra 1500 Crew Cab/Long Bed and delivers +14 horsepower and +17 lbs. x ft. of torque as measured on our in-house dyno. 3″ into dual 2-1/2″ mandrel bent stainless steel tubing and high flow muffler offers maximum flow, increases horsepower and torque while producing a powerful sound. Finished with dual 3 ½” black, stainless steel tips exit in front of the rear passenger tire for a unique, aggressive look. Includes all necessary hardware and clamps for a hassle-free install.