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.

• 25 decibels louder than stock
• Available with twin 4.0" tips or in turndown configuration
• Backed by a Limited Lifetime Warranty
• Custom tuned no drone exhaust system engineered exclusively for the ZR2 and AT4X
• Designed for a flawless fit and easy adjustment
• Easy bolt-on installation (Installs in under 1 hour)
• Engineered and manufactured in Berea, Ohio, U.S.A.
• Engineered for maximum clearance during off-road adventures
• Features black powder coated twin 4.0" Pro Series® dual wall 304 stainless steel exhaust tips
• Features CORSA's revolutionary best-in class RSC® No Drone Technology
• Outflows the stock exhaust system by up to 47%
• Premium 304 stainless steel construction