Track Bred Sound for Your NPP Equipped C8
The CORSA 21106BLK is a 3 inch valved cat back exhaust engineered specifically for NPP equipped Corvette C8 models. This muffler delete system removes unnecessary restriction while retaining full compatibility with the factory NPP valve and AFM cylinder deactivation functionality. Finished with black quad tips, the 21106BLK delivers a loud, aggressive tone and measurable performance gains without triggering check engine lights.
Key Features
- 3 inch valved cat back design retains NPP valve functionality
- Maintains factory AFM cylinder deactivation operation
- Produces up to 18 horsepower and 16 lb ft of torque gain
- Sheds nearly 20 lbs versus the stock exhaust system
- Black finished 4.5 inch quad exhaust tips
- Reduces restriction for maximum airflow and aggressive sound
- Direct bolt on installation, no cutting or welding required
- Backed by CORSA's limited lifetime warranty
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2008-2013 | Chevrolet | Corvette | Base |
| 2010-2013 | Chevrolet | Corvette | Grand Sport |
| 2017-2019 | Chevrolet | Corvette | Grand Sport |
| 2014-2023 | Chevrolet | Corvette | Stingray |
| 2015-2019 | Chevrolet | Corvette | Z06 |
| 2019 | Chevrolet | Corvette | ZR1 |
Specifications
| Detail | Value |
|---|---|
| MPN | 21106BLK |
| Pipe Diameter | 3 inch |
| Tip Size | 4.5 inch Quad Tips |
| Tip Finish | Black |
| Valve Type | Valved, retains factory NPP function |
| HP Gain | Up to 18 HP |
| Torque Gain | Up to 16 lb ft |
| Weight Savings | Nearly 20 lbs versus stock |
| UPC | Contact CORSA for current UPC |
What's Included
- CORSA 21106BLK valved cat back muffler assembly
- Black finished 4.5 inch quad exhaust tips
- Mounting clamps and hardware
- Printed installation instructions
About CORSA Performance
CORSA Performance designs muffler delete and cat back exhaust systems that are track tested and dyno proven. Every CORSA C8 system is engineered to work seamlessly with factory valve and cylinder deactivation systems while delivering an aggressive, drone free exhaust note.
Related Parts on Our Site
- CORSA Corvette C8 headers
- CORSA Corvette C8 replacement tip kits
- CORSA Corvette carbon fiber accessories
Frequently Asked Questions
What is the 21106BLK?The 21106BLK is a CORSA 3 inch valved cat back muffler delete exhaust system built exclusively for NPP equipped Corvette C8 models with black quad tips.
Does the 21106BLK work with AFM?Yes, the system is designed to retain full AFM cylinder deactivation functionality.
Will the 21106BLK trigger a check engine light?No, the system is engineered to work with the factory NPP valve system without triggering codes.
How much horsepower does the 21106BLK add?CORSA's testing shows gains of up to 18 horsepower and 16 lb ft of torque.
Does the 21106BLK reduce vehicle weight?Yes, it removes nearly 20 lbs compared to the factory exhaust system.
What tips come with the 21106BLK?The system includes black finished 4.5 inch quad tips.
Is cutting required to install the 21106BLK?No, installation is a direct bolt on process using factory connection points.
Does CORSA offer a warranty on the 21106BLK?Yes, it is covered under CORSA's limited lifetime warranty.
Installation Instructions
- Raise the vehicle and allow the exhaust to cool completely.
- Remove the factory NPP muffler section at the designated cut or connection points.
- Position the CORSA 21106BLK valved muffler assembly in place.
- Connect the factory NPP valve harness to the new assembly.
- Loosely install all provided clamps at each connection point.
- Align the black quad tips evenly with the rear fascia openings.
- Tighten all clamps and hardware to specification.
- Start the vehicle and verify valve operation and check for exhaust leaks.
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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