Remove 3 wing nuts to reduce your car's ETs by .3 seconds Made of 16-gauge steel that is entirely MIG welded, these cutouts with an overall 10" length include a 3-bolt header flange and gaskets for a direct bolt-on to headers or as a slip fit onto exhaust pipes. Mustang-style cutouts slip fit onto any OEM Mustang, as well as most other vehicles with 2.25'' pipes.
