2011-14 Mustang GT or BOSS 1 7/8"Kooks Long Tube Headers & Catted Mid Pipe Package
Product Reviews for 2011-14 Mustang GT or BOSS 1 7/8"Kooks Long Tube Headers & Catted Mid Pipe Package
HUGE POWER GAINS! Kooks custom
headers are in our opinion the best header on the market. The kits come
complete with everything you need! The custom headers are made of stainless steel and have a 1
7/8” primary tube. These headers are
very tune friendly.
Tested on our 2013 5.0 Test Car we picked up a whopping 25 rwhp peak
vs. peak and at higher RPM's of 6,800 the gains were just over 30 rwhp.
We tested the catted version, design would gain even a few
more ponies but at the same time make the car even louder than the high
Included in this package is a high flow catted X or H pipe (Use drop
down to choose mid pipe). The high flow cats offer enough protection to
pass the sniff test yet flow very close to an design. We run
Kooks high flow cats on our 2011-14 Mustang GT street cars!
1 7/8"" Primary Tubes
304 Stainless Steel
Includes necessary installation hardware and gaskets