CORSA Xtreme valve-back exhaust for the 2016-2024 Chevrolet Camaro SS and ZL1 6.2L V8. Built from 304 stainless steel with CORSA's patented Reflective Sound Cancellation (RSC) technology for an aggressive note and a drone-free cabin at cruise. It plugs directly into the factory Dual-Mode NPP valve module, flows 18% better than stock, and bolts on with no welding. Made in the USA.
Specifications
| Type | Valve-Back Exhaust |
| Series | Xtreme |
| Material | 304 stainless steel |
| Tips | Dual-wall black polished stainless steel |
| Sound | RSC drone-free at cruise |
| Flow | 18% better than stock |
| Valve | Plugs into factory Dual-Mode NPP module |
| Installation | Bolt-on - no welding |
| Part Number | 14789BLK |
| Warranty | Limited lifetime exhaust / 5-year valves |
Documents: Installation Instructions (PDF) | Technical Bulletin (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2024 | Chevrolet | Camaro | SS |
| 2017-2024 | Chevrolet | Camaro | ZL1 |
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
