Kooks header and catted Y-pipe kit for the 2014-2020 GM full-size trucks/SUVs (Chevy Silverado 1500/Suburban/Tahoe, GMC Sierra 1500/Yukon/Yukon XL) with the 5.3L V8. 1-7/8in x 3in T304 stainless long-tube headers with a catted Y-pipe. Handcrafted in the USA and backed by a limited lifetime warranty on the headers.
Specifications
| Type | Long-tube header & catted Y-pipe kit |
| Vehicle | GM 5.3L trucks/SUVs (Silverado/Suburban/Tahoe) |
| Primary / Collector | 1-7/8in x 3in |
| Y-Pipe | Catted |
| Material | T304 stainless steel |
| Part Number | 2860H420 |
| Warranty | Limited lifetime (headers) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2018 | Chevrolet | Silverado 1500 | Custom / High Country / LS / LT / LTZ / WT |
| 2015-2020 | Chevrolet | Suburban | LS / LT / LTZ / Premier |
| 2015-2020 | Chevrolet | Tahoe | LS / LT / LTZ / PPV / Premier / SSV |
| 2014-2018 | GMC | Sierra 1500 | Base / Denali / SLE / SLT |
| 2015-2020 | GMC | Yukon / Yukon XL | SLE / SLT |
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
Recently viewed
You may also like
