Adding a set of Kooks super street shorty headers to your 2011-2014 Mustang GT 5.0 Coyote motor adds both horsepower and torque. These direct fit performance headers replace your stock exhaust manifolds to give you increased exhaust flow which increases power. This 100% bolt on kit is a great way to get your exhaust sounding louder for that true American muscle car sound! Power gains of up to 10+ horsepower has been seen on test vehicles.
Made of 304 stainless steel, these Kooks Mustang shorty headers feature 1 7/8" primaries, 3" collectors, and 3/8" thick flanges for maximum performance. Being a direct replacement, you do not have to worry about cutting or welding to get them to fit. Installation is quick and easy with the included gaskets, hardware, and instructions.
- 2011-2014 Mustang GT
- 2012-2013 Mustang Boss 302
Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!
I've had these for about 4 months now, by themselves they make 12-15 hp. add an offroad x and they make 15-20 more peak hp. Combined #'s are 30-35 hp. That's long tube power without the hassle of longtubes! The sound will change you get a little more growl. Install difficulty is the same as longtubes, but worth it if you want to keep your cats. A quality product! Now go get a pair, or get used to seeing my tail lights......
Kooks Custom Headers - Get Kookin with Kooks
Kooks Custom headers has been making quality custom headers since 1962. Kooks Headers is a family owned and operated company which has prided itself on making the highest, most horsepower production header and exhaust systems for your Mustang & SVT Lightning. From drag to circle track, road racing, motorcycle, and even offshore boats, Kook’s Headers has helped set records and win races. Some of the biggest and most dominant names in NHRA, ADRL, IHRA, NMCA, NMRA, NASCAR, SCCA, and NASA and continue to run Kook’s headers and win championships.
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