Extended Lead Times: Exhaust & Intakes are Made to Order (most ship in 4-6 weeks)

Variable Sound Level (14776) 2.75 IN Valve-Back Quad 4.5 IN NPP Tips 2014-19 Corvette C7, GS Auto

SKU: 14776

3 reviews

SKU: 14776

Tip Finish

Technical specifications

Performance results aren’t guaranteed & may vary.
+4 Horsepower
+23.06% Flow increase
-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


2014-2019 Chevrolet Corvette C7 6.2L V8
*Integrates Directly to Stock NPP Valve Actuator
**GM Technical Service Bulletin MAY 2019 GM Actuator Rattle

2017-2019 Chevrolet Corvette C7 Grand Sport 6.2L V8
Auto Only
*Manual use Part Number 14777
**Integrates Directly to Stock NPP Valve Actuator
***GM Technical Service Bulletin MAY 2019 GM Actuator Rattle


2.75" Valve-Back; Dual Rear Exit with Quad 4.5" Active Valve (NPP) Polished Pro-Series Tips
*Valve-back exhausts attaches behind the factory GM axle-pipe valves.
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
*GM Technical Service Bulletin MAY 2019 GM Actuator Rattle

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

🗒️📹 Installation Video

YEARS: 2014, 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.

Customer Reviews
5.0 Based on 3 Reviews
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Filter Reviews:
    03 Aug 2020
    17 gs corvette

    It’s was good but had to stretch pipes to fit and stretch fittings so tips would fit

    SCOTT S.
    United States United States
    30 Jun 2020
    New toy for my baby.

    Love it, beautiful look with the new black tips, and the sound is so beautiful. Will recommend.

    frankie m.
    United States United States
    16 Sep 2019
    Casey H.