In observance of Memorial Day our business will be CLOSED Monday, May 29, 2017.
Increased Horsepower & Torque
Improved Exhaust Flow
Mandrel Bent Stainless Steel
Tig Welded Construction
1 3/4" Primaries
Laser Cut Flanges
Includes Catalytic X-Pipe
What's in the Box
(2) Stainless Long Tube Headers
(1) Catalytic X-Pipe
(1) Pair Of Header Gaskets
All Needed Hardware
Kooks Headers & Catalytic X-Pipe Kit
Open up the exhaust on your 2011-2014 Ford Mustang 5.0 with a set of Kooks Headers and catalytic X-pipe for more power and increased performance.These Kooks long tube headers for your 2011-2014 5.0L Coyote features 304 stainless steel tubing, 1 3/4" primaries, and 3" collectors with O2 bungs welded in. Kooks builds all of their products to the highest standard, and these are quite possibly the best long tube headers you can buy for your 5.0L 4V Mustang! This kit also includes a Kooks 3" crossover x-pipe which is designed to connect your new Kooks long tube headers to your factory exhaust. This all 304 stainless crossover includes high flow catalytic converters along with all clamps and gaskets needed for installation!
Quite simply...there is not a better header on the market!
You're going to have a decision to make when it comes to selecting a new set of headers for your Mustang… shorty or long tubes. Well, I'm going to go ahead and put it out there before we get into the differences.
We all know that factory manifolds are restrictive and not the best for making power. ... more
Kooks - 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.