Gm 07-08 Suburban Yukon Xl 1500 5.3L Gm 07-08 Avalanche 1500 5.3L Sport-SFTgle

This CORSA Performance exhaust system features a straight-through design coupled with RSC noise cancellation technology to eliminate undesirable low frequencies (drone) and reduce back pressure for the Chevrolet Avalanche 1500. This results in increased horsepower and torque, and improved fuel economy. The patented Reflective Sound Cancellation (RSC) Technology channels and reflects sound waves within the muffler case to cancel specific sound frequencies without flow restriction or electronic devices. It is specifically tuned for the Chevy Avalanche, offers a 74% gain in exhaust flow vs. stock, is 10 lbs lighter than stock, and features 3.0" diameter, mandrel-bent, premium stainless steel construction. It has a single side exit with a hydroformed oval tip or twin Pro-Series 4.0" tips. The system requires no welding and offers bolt-on installation with an included hardware and full-color installation guide. It is 50-states emissions legal and comes with a limited lifetime warranty. It complies with 95 dB requirement when tested in accordance with SAE test procedure, J1169 (May 1998).