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Xtreme LS3 Sound With Drone-Free Daily-Driver Comfort for the 2009-2013 C6
The Corsa COR21012 Xtreme Axle-Back Exhaust is a 2.5-inch mandrel-bent T304 stainless steel system for the 2009-2013 Chevrolet Corvette C6 6.2L LS3 V8. The Xtreme is Corsa's loudest street-legal sound level, and RSC (Reflective Sound Cancellation) technology ensures it remains drone-free at highway speeds. The COR21012 exits through twin 4.5-inch polished stainless tips and bolts directly to the factory C6 axle-back flanges with no cutting or welding required.
Key Features
- Corsa RSC technology: Xtreme exhaust note with zero highway drone
- Mandrel-bent T304 stainless steel construction
- 2.5-inch axle-back for the 2009-2013 C6 LS3
- Twin 4.5-inch polished stainless tips
- Direct bolt-on installation, no cutting required
- Limited lifetime warranty
- Made in USA
Vehicle Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2009-2013 | Chevrolet | Corvette | Coupe |
| 2009-2013 | Chevrolet | Corvette | Convertible |
Specifications
| Detail | Value |
|---|---|
| MPN | COR21012 |
| Brand | Corsa Performance |
| System Type | Axle-Back |
| Sound Level | Xtreme |
| Pipe Diameter | 2.5 inches |
| Tip Style | Twin 4.5-inch Polished Stainless |
| Exit | Dual Rear Exit |
| Material | T304 Stainless Steel |
| Technology | RSC (Reflective Sound Cancellation) |
| Warranty | Limited Lifetime |
| Origin | Made in USA |
| UPC | 847603014359 |
What's Included
- Corsa COR21012 axle-back exhaust system
- Twin 4.5-inch polished stainless tips
- All hardware and gaskets for bolt-on installation
About Corsa Performance
Corsa Performance, founded in 1989 in Berea, Ohio, invented RSC exhaust technology. All systems are mandrel-bent from T304 stainless steel and backed by a limited lifetime warranty.
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Frequently Asked Questions
What is the COR21012?The Corsa COR21012 is an Xtreme 2.5-inch axle-back for the 2009-2013 Corvette C6 6.2L LS3, delivering Corsa's loudest street exhaust sound level with RSC drone-free technology and twin 4.5-inch polished tips.
What is the difference between COR21011 and COR21012?The COR21012 is the Xtreme sound level, which is louder and more aggressive than the Sport COR21011. Both are drone-free via RSC technology.
Does the COR21012 eliminate drone?Yes. RSC cancels standing wave resonance at cruise RPM, making the COR21012 quiet at highway speeds and loud at full throttle.
Will the COR21012 fit the Z06 or ZR1?No. Z06 and ZR1 applications require the COR21077. The COR21012 is for the standard C6 with the LS3 6.2L engine.
Is the COR21012 a bolt-on?Yes. The COR21012 bolts directly to the factory C6 axle-back flanges with no modifications required.
Does the COR21012 require a tune?No. It is an axle-back system that does not affect engine management.
What tip finish does the COR21012 include?The COR21012 includes twin 4.5-inch polished stainless tips. For black tips, see the COR21012BLK.
What warranty is included?Corsa Performance provides a limited lifetime warranty on all exhaust systems including the COR21012.
Installation Instructions
- Allow the Corvette to cool completely before beginning
- Safely raise and support the vehicle on jack stands or a lift
- Unbolt the factory axle-back mufflers and remove from rubber hangers
- Install the COR21012 onto the factory flanges and seat the rubber hangers
- Torque all hardware and align the twin polished tips
- Lower the vehicle and start the engine to verify fitment and check for leaks
Prop 65 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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