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. 1-3/4in 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.
| Type | Long-tube header & catted Y-pipe kit |
| Vehicle | GM 5.3L trucks/SUVs (Silverado/Suburban/Tahoe) |
| Primary / Collector | 1-3/4in x 3in |
| Y-Pipe | Catted |
| Material | T304 stainless steel |
| 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 |
