These Kooks long tube headers for your S550 feature 304 stainless steel tubing, 1 7/8" primaries, and 3" collectors with O2 bungs welded in. This kit also includes Kooks catted extension pipes which are designed to connect your new Kooks long tube headers to your factory exhaust.
This product cannot be sold or shipped to the state of California.
- Installation of long tube headers will require a custom tune to prevent damage to your vehicle. If you already have a custom tune on your Mustang, please consult with your tuner prior to installation and operating your Mustang.
- Standard race cats are NOT designed for forced induction applications.
This Part Fits:
Year | Make | Model |
2015-2023 | Ford | Mustang 5.0L |
2015-2023 | Ford | Mustang GT |
2015-2023 | Ford | Mustang Bullitt |