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 has the best 2015 Corvette exhaust systems you'll find. With industry-leading technologies like Reflective Sound Cancellation®, we've been leading the way for decades in terms of both innovation and performance. Check out our 2015 Corvette C7 NPP 6.2L V8 performance upgrade kits to hear and see the difference a CORSA exhaust can make.
Make sure you're shopping the right 2015 Corvette C7 NPP 6.2L V8 performance exhaust kits for your car that will deliver the sound you want. Keep the following points in mind:
Our C7 Corvette Sound Level Guide is here to help you get the intoxicating exhaust note you're looking for. A Double X-Pipe (Part #14761) will enhance the sound level of your Cat-Back system when it's coupled with an Axle-Back or Valve-Back.
With the NPP Valves open on a Variable Sound Axle-Back, the sound will be closer to Xtreme (closed, it's closer to Sport). Contact us if you have more questions about 2015 Corvette C7 NPP 6.2L V8 performance exhaust upgrade kits.