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Variable Sound (14777) 2.75 IN Axle-Back Quad 4.5 IN NPP Tips 2015-19 Corvette C7 Z06 ZR1 GS MT

SKU: 14777

SKU: 14777

Tip Finish

Technical specifications

Performance results aren’t guaranteed & may vary.
+23.06% Flow increase
+4 Horsepower
-4 weight savings (lbs.)

CORSA's Patented RSC® Technology is designed for an AGGRESSIVE SOUND under acceleration and DRONE-FREE EXPERIENCE during cruise. Every exhaust system is engineered specific to each vehicle application in order to maximize performance and eliminate drone at cruise


2015-2019 Chevrolet Corvette C7 Z06 6.2L V8
*Integrates Directly to Stock NPP Valve Actuator

2017-2019 Chevrolet Corvette C7 Grand Sport 6.2L V8
Manual Only
*Auto use Part Number 14776
**Integrates Directly to Stock NPP Valve Actuator

2019 Chevrolet Corvette C7 ZR1 6.2L V8 
*Integrates Directly to Stock NPP Valve Actuator


2.75" Axle-Back; Dual Rear Exit with Quad 4.5" Active Valve (NPP) Polished Pro-Series Tips
Valve Open vs Closed; provides over 17db (decibel) difference

For the first time on a Corvette, the C7 CORSA Performance exhaust System is available with an integrated NPP valve and RSC Technology that allows the driver to take advantage of the C7's multiple driving modes and personalities.  CORSA's new "Active Valve" C7 exhaust allows the driver to take advantage of over 17 decibels of volume change between "Touring" and "Track" modes while maintaining a No Drone Driving Experience.  This is the ultimate C7 valved exhaust system.

  • Premium Stainless Steel Construction
  • Easy Bolt-on Installation
  • No Welding Needed
  • Patented No-Drone, Reflective Sound Cancellation (RSC®) Technology
  • Straight-through Design
  • Mandrel Bent
  • All Hardware and Detailed Instructions Included
  • Proudly Manufactured in Berea, Ohio


Installation Instructions
Warranty - Exhaust: Lifetime, Valves: 5 Years

NPP Valve Computer Settings
This short tutorial video quickly shows how to automatically control your active valve exhaust

Installation Video:

YEARS: 2015, 2016, 2017, 2018, 2019

CORSA branded exhaust systems are backed by a Limited Lifetime warranty for as long as you own your vehicle with proof of purchase. (VIEW WARRANTY)

Every vehicle-specific CORSA product is engineered and designed to match the unique properties of the vehicle it is designed for to deliver perfect fitment and performance. CORSA does not recommend or recognize purchases and installations on unspecified vehicles.