aFe Power 49-44062-B Rebel Series 3" x 2-1/2" Performance Cat-Back Exhaust System (Stainless Steel) Gains up to +14 horsepower and +17 lbs. x ft. of torque, as measured on our in-house dyno (tested on 2014 Chevrolet Silverado V8-5.3L) Constructed of 3" into dual 2-1/2" mandrel bent stainless steel tubing Includes a high-flow stainless steel muffler Passenger side exit system Fits: Extended Cab/Short Bed (143.5"Wheelbase), Crew Cab/Short Bed (143.5" Wheelbase) & Crew Cab/Long Bed (153.5"Wheelbase) models