The CORSA Performance Silverado ZR2 and Sierra AT4X catback exhaust offering was designed for one reason: To give GM's full-size offroader the voice it deserves. A noticeably loud, deep and aggressive exhaust note balanced with a completely drone-free driving experience courtesy of CORSA's best-in-class RSC® (Reflective Sound Cancellation) No Drone Technology. The CORSA Performance custom tuned exhaust system unleashes 25 decibels of sound and offers a straight-through design that elmiinates restrictions allowing the system to easily outflow the stock exhaust by up to 47% freeing up horsepower and torque. CORSA Performance catback exhaust systems are meticulously constructed from 304 Stainless Steel, engineered to endure a lifetime of use and withstand the rigors of off-road adventures.. Corsa 24-25 GM Silverado ZR2/Sierra AT4X 6.2L (147.5 WB) 3in Sport Cat-Back - 4in Blk Twin Tips. Features black powder coated twin 4.0" Pro Series® dual wall 304 stainless steel exhaust tips. Custom tuned no drone exhaust system engineered exclusively for the ZR2 and AT4X. Features CORSA's revolutionary best-in class RSC® No Drone Technology. Engineered for maximum clearance during off-road adventures. Available with twin 4.0" tips or in turndown configuration. Easy bolt-on installation (Installs in under 1 hour). Engineered and manufactured in Berea, Ohio, U.S.A.. Designed for a flawless fit and easy adjustment. Outflows the stock exhaust system by up to 47%. 3.0" Dual Rear Exit Cat-Back Exhaust System. Premium 304 stainless steel construction. Will Not Fit AEV Bison Configurations. Backed by a Limited Lifetime Warranty. 25 decibels louder than stock. Exhaust System Kit. Cat-Back. Exhaust

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