CORSA Xtreme valve-back exhaust for the 2006-2013 Chevrolet Corvette C6 Z06 7.0L and 2009-2013 ZR1 6.2L. Built from 304 stainless steel with CORSA's patented Reflective Sound Cancellation (RSC) technology and a valved Dual-Mode NPP system for a customizable, drone-free note at cruise and an aggressive tone under acceleration. It flows 35% better than stock, bolts on with no welding, and is finished with 4.5 in polished twin tips. Made in the USA.
Specifications
| Type | Valve-Back Exhaust |
| Series | Xtreme |
| Material | 304 stainless steel |
| Tips | 4.5 in polished twin tips |
| Sound | RSC drone-free at cruise |
| Flow | 35% better than stock |
| Valve | CORSA valved Dual-Mode NPP system |
| Installation | Bolt-on - no welding |
| Part Number | 21077 |
| Warranty | Limited lifetime |
Documents: Installation Instructions (PDF) | Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2013 | Chevrolet | Corvette | Z06 |
| 2009-2013 | Chevrolet | Corvette | ZR1 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
