All standard Axle-Back and Valve-Backs may be used on NPP equipped vettes without causing a CEL. Variable Sound NPP Valve exhausts (Part # 14777 and 14776) can only be used on vettes with NPP.
C7 Corvette Sound Level Guide: Double X-Pipe (Part # 14761) when paired with an Axle-Back or Valve-Back will increase the overall sound level of the Cat-Back system. *Variable Sound Axle-Back's with NPP Valves open are similar to Xtreme, valves closed are similar to Sport
Sport Axle-Back + X-Pipe = an Xtreme Cat-Back
Xtreme Axle-Back + X-Pipe = an Xtreme+ Cat-Back
C7 Carbon Fiber Intake Fitment: Stingray, Z51, and GrandSport use Part # 44001 or 44001D. Z06 use Part # 44002 or 44002D.
CORSA Performance is a leader in exhaust systems, and we've been innovating since 1998. If you’re looking for the best 2014 Corvette exhaust, a CORSA Performance exhaust will deliver the power and aggressive exhaust notes of your dreams. We're not just proud of our 2014 Corvette C7 NPP 6.2L V8 performance exhaust upgrade kits — we're proud of our customer service.
When shopping the 2014 Corvette C7 NPP 6.2L V8 performance exhaust kits at CORSA, keep in mind that all standard Axle-Backs and Valve-Backs will work on NPP-equipped Corvettes without triggering your check engine light. However, Variable Sound Level 2014 Corvette C7 NPP 6.2L V8 exhausts, including Part #14776 and #14777, will only work on Vettes equipped with the factory NPP exhaust system.
To ensure you choose the 2014 Corvette performance exhaust you want, follow our C7 Corvette Sound Level Guide:
When paired with an Axle-Back or Valve-Back, the Double X-Pipe (Part #14761) will increase the overall sound level of the exhaust system. On the other hand, Variable Sound Axle-Backs with the NPP Valves open are similar to Xtreme, while closed NPP Valves are similar to Sport. Contact CORSA if you have other questions about our 2014 Corvette C7 NPP 6.2L V8 performance exhaust kits.