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Corsa 24-25 GM Silverado ZR2/Sierra AT4X 6.2L (147 WB) 3in Sport Cat-Back Exhaust - 4in Twin Tips

Sale price  $1,899.99 Regular price  $2,070.99
Part no. 21238-1
Special order Not in stock at our distributor. Lead times vary and can run several weeks. Contact us for an ETA before ordering.

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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...

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About this part

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.

  • Features twin 4.0" Pro Series® dual wall 304 stainless steel polished 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%
  • Premium 304 stainless steel construction
  • Backed by a Limited Lifetime Warranty
  • 25 decibels louder than stock