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Xtreme+ Sound Level (14762CB) 2.75 IN Valve-Back w X-Pipe Quad 4.5 Tips 2014-19 Corvette C7,GS Auto

SKU: 14762CB

6 reviews

SKU: 14762CB

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


2014-2019 Chevrolet Corvette C7 6.2L V8
*Fits NPP and Non-NPP for full use of valves see Part # 14776

2017-2019 Chevrolet Corvette C7 6.2L V8 Grand Sport
*Fits NPP and Non-NPP for full use of valves see Part # 14776
**Grand Sport Auto Only - See Part # 14766CB for Manual


3.0" Cat-Back, Dual Rear Exit with Quad 4.5" Polished Pro-Series Tips
Xtreme+ Sound Level (3.0" Double X-Pipe, 2.75" Valve-Back)
*Retains GM factory axle pipes. CORSA Valve-back exhausts attaches behind the factory GM axle-pipe valves
**Contains Double X-Pipe Part # 14761 and Xtreme Axle-Back Part # 14762
***X-Pipe Intended For Race Use Only. Not Legal for Sale or Installation on Licensed Vehicles in the State of California

C7 Sound Level Guide:
 Double X-Pipe increases an Axle-Back's sound level.
Sport Valve-Back + X-Pipe = Xtreme Cat-Back 
Xtreme Valve-Back + X-Pipe = Xtreme+ Cat-Back

  • 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

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 6 Reviews
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Filter Reviews:
Bryan H.
United States United States
Mn car

It sounds amazing!! I haven’t been able to drive with it on yet but it is a big difference.

Anthony P.
United States United States
Corsa, I love you

Absolutely incredible purchase experience. Had my order at my door with in 3 days. My car now sounds amazing. Seriously Thank You

Roy B.
Freaking unbelievable change to my

Freaking unbelievable change to my car. Love the sound!!!!

Ronald H.
I was SHOCKED My 2017

I was SHOCKED My 2017 Grand Sport Corvette woke up. This is the best thing i have ever done to the car. And Alex that helped me is what customer service should be like I was more than HAPPY all the way around

Kirstie B.
Sounds great! Exactly what we

Sounds great! Exactly what we were looking for.

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