This Kooks catted X-Pipe connects to Kooks long-tube headers on the 2014-2019 Chevrolet Corvette C7 (Stingray, Grand Sport, Z06, and 2019 ZR1). It uses high-flow GREEN catalytic converters and is a 3 inch by 3 inch design, handcrafted in the USA from T-304 stainless steel. Kooks long-tube headers are required.
Specifications
| Type | Catted X-pipe (GREEN high-flow cats) |
| Diameter | 3 inch x 3 inch |
| Material | T-304 stainless steel |
| Requires | Kooks long-tube headers |
| Origin | Made in USA |
| Part Number | 21703300 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2019 | Chevrolet | Corvette | Stingray |
| 2015-2019 | Chevrolet | Corvette | Z06 |
| 2017-2019 | Chevrolet | Corvette | Grand Sport |
| 2019 | 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
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