aFe Power 's Rebel Series dual middle-side exit exhaust system for 2009-2016 GM Silverado/Sierra 1500 with V6-4.3L/V8-5.3L engine. This Rebel Series cat-back is designed with dual polished exhaust tips that exit in front of the rear passenger tire for a unique, aggressive look. The tips come with unique laser-etched aFe Power logos on the side and are constructed from stainless steel for durability. The exhaust system is constructed from 3" into dual 2-1/2" MIG-welded, mandrel bent stainless steel tubing for maximum flow, increased horsepower and torque. In testing, this cat-back exhaust system added an astounding +14 horsepower and +17 lbs. x ft. of torque as verified by our in house dyno. This kit uses a free-flowing muffler to absorb high pitch tones producing a powerful sound. The performance cat-back exhaust system includes all necessary hardware and clamps, with no cutting required. 3-1/2" Polished Middle-Side Exit Tips: Finishing off the exhaust are dual 3-1/2" polished stainless steel clamp-on tips with laser-etched aFe power logos on the side for an aggressive style. The tips are designed to exit from in front of the rear passenger side tire for a unique custom look. Installation is a Snap: This Rebel Series exhaust system uses factory mounting locations. Leak-Free Seal: A high quality OE-style flange and band clamps are used for a complete 360-degree sealing surface eliminating leak paths. Aggressive Sound: A straight-through designed, free-flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. Perfect Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Fits: Extended Cab/Short Bed (143.5"Wheelbase), Crew Cab/Short Bed (143.5" Wheelbase) & Crew Cab/Long Bed (153.5"Wheelbase) models.