Kooks Dyno-Results: 35+ Horsepower Increase
Fits The Following Models:
Kooks Mid-Pipe REQUIRED: These Mustang GT Long Tube Headers are NOT compatible with your factory mid-pipe. You must use a Kooks Mid-Pipe with these headers. Kooks offers several options, including Catted and Off-Road versions of their X-Pipe.
Old Kooks Part Number: 60-41-188.