Chevrolet Camaro SS 6.2 LS3 L99 2-3/4 X-Pipe 10-15 PART #4023 FEATURES: Eliminates Resonators, Improving Exhaust Flow and Sound Decreases Back Pressure and Adds Throaty, Race-Like Sound Smog Legal; Retains Stock Catalytic Converters CNC Mandrel Bent Stainless Steel Tubing Easy Installation 50-State Emissions Legal Bolt On Behind the Catalytic Converters. For use with factory exhaust manifolds or shorty headers ONLY. Not for use with long tube headers VEHICLE FITMENT: 2010-2015 Camaro SS 6.2L V8 LS3/L99 (Coupe Only) Improved Power and Sound Increase the exhaust flow on your 2010-2015 Camaro SS with this BBK Performance High Flow 2-3/4" After-Cat X-Pipe designed to bolt in, positioned after your factory catalytic converters and eliminates the OEM resonators to reduce exhaust restriction, resulting in increased exhaust flow and horsepower. Top Quality Construction The BBK engineers designed this Camaro X-pipe with 2-3/4" CNC mandrel-bent tubing and a merged X crossover to maximize flow. This system features factory style hangers for a perfect fit. This BBK X-pipe is designed to be used with BBK shorty headers or the factory manifolds. Smog Legal The BBK Camaro SS after-cat X-Pipe retains the factory catalytic converters and is 50 state smog legal.