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Valved Performance Meets Carbon Fiber Style
The CORSA 21100CFBLK cat-back exhaust upgrades the 2020-2025 Chevrolet Corvette C8 Stingray with a 3.0 inch valved system that retains full compatibility with the factory NPP dual mode exhaust and AFM/DFM cylinder deactivation. MPN 21100CFBLK pairs quad 4.5 inch carbon fiber tips finished with a Black PVD inner cone, delivering up to 18 additional horsepower without triggering a check engine light.
Key Features
- 3.0 inch T304 stainless steel valved cat-back exhaust
- Quad 4.5 inch carbon fiber tips with Black PVD dual wall inner cone
- Retains factory AFM, DFM, and NPP valve functionality, no CEL
- Valve assemblies mate directly to stock actuators
- Adds up to 18 HP and 17 lb-ft of torque
- Reduces exhaust system weight by up to 10 lbs
- Reflective Sound Cancellation Technology for No Drone operation
- Made in the USA with a limited lifetime warranty on the exhaust
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2020-2025 | Chevrolet | Corvette | Stingray |
Specifications
| Detail | Value |
|---|---|
| MPN | 21100CFBLK |
| Pipe Diameter | 3.0 inch |
| Tip Size | 4.5 inch quad |
| Tip Finish | Carbon fiber with Black PVD inner cone, dual wall slash cut |
| Sound Level | Variable, NPP compatible |
| Material | 304 Stainless Steel |
| Horsepower Gain | +18 HP |
| Torque Gain | +17 lb-ft |
| Weight Savings | 10 lbs |
What's Included
- (1) CORSA 21100CFBLK exhaust assembly
- (4) Carbon fiber tips with Black PVD inner cone
- Mounting hardware and clamps
- Printed installation instructions
About CORSA Performance
CORSA Performance designs and manufactures American made exhaust systems in Berea, Ohio. Every CORSA system uses patented Reflective Sound Cancellation Technology to remove unwanted drone frequencies while preserving an aggressive tone under acceleration, backed by a limited lifetime warranty.
Related Parts on Our Site
- Corsa 2020-2025 Chevrolet Corvette C8 Valved Cat-Back Carbon Fiber Polished Tips
- Corsa 2020-2024 Chevrolet Corvette C8 Xtreme Cat-Back Carbon Fiber Black PVD Tips
Frequently Asked Questions
What is the 21100CFBLK?The 21100CFBLK is a CORSA valved 3.0 inch cat-back exhaust for the 2020-2025 Chevrolet Corvette C8 Stingray, finished with carbon fiber tips featuring a Black PVD inner cone.
Does the 21100CFBLK require factory NPP?Yes, MPN 21100CFBLK is designed to work with vehicles equipped with the factory NPP dual mode exhaust valve system.
Will the 21100CFBLK cause a check engine light?No, the valve assemblies mate directly to the stock actuators, allowing full retained function without triggering a CEL.
How much horsepower does the 21100CFBLK add?CORSA rates the 21100CFBLK at up to 18 additional horsepower and 17 lb-ft of torque.
Does the 21100CFBLK fit Coupe and Convertible C8s?Yes, the 21100CFBLK fits both Coupe and Convertible C8 Corvette body styles equipped with factory NPP.
Is a relearn procedure needed after installation?A GM valve relearn procedure may be required after installing the 21100CFBLK, per GM document ID 5406413.
Is the 21100CFBLK legal in all 50 states?Yes, cat-back systems like the 21100CFBLK retain factory catalytic converters and are legal for sale and use nationwide.
What warranty covers the 21100CFBLK?CORSA backs the 21100CFBLK exhaust with a limited lifetime warranty and the valve system with a 5 year warranty.
Installation Instructions
- Raise and safely support the vehicle on a lift or jack stands.
- Remove the factory cat-back exhaust starting at the mid pipe connection.
- Disconnect the factory valve actuator wiring harness before removing the muffler assembly.
- Position the CORSA 21100CFBLK assembly using factory hanger points.
- Reconnect the valve actuator wiring harness to the CORSA valve assembly.
- Install clamps at each connection point without fully tightening.
- Align the quad tips evenly within the rear valance opening.
- Tighten all clamps to specified torque, then perform a valve relearn procedure if required.
WARNING: This product can expose you to chemicals including nickel compounds, which are known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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