Kooks Super Street Shorty Headers 1-7/8 in. (11-14 GT, BOSS)

Kooks Super Street Shorty Headers 1-7/8 in. (11-14 GT, BOSS)
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OUR PRICE$625.99
Kooks Mustang Exhaust Kits
Item # 65535
Market Price $699.99You Save 11% ($74.00)
Ships the same business day

Product Features

  • 10-12 Horsepower increase along with increased Torque
  • 50% lighter than the factory manifold
  • Shorty header design
  • Free flowing 1-7/8" mandrel-bent tubing
  • 304 stainless steel construction
  • Tig welded for strength
  • Fits 2011-2014 GT and BOSS Mustangs
More Horsepower and Torque. Replace those heavy, restrictive cast iron stock factory exhaust manifolds with a set of Kooks Super Street Shorty Headers. This upgrade will increase the horsepower of your 5.0L Coyote Powered Mustang by approximately 10-12 horsepower. Additionally, these Kooks headers are approximately 50% lighter than stock.

Quality Construction. Kooks Super Street Shorty headers are manufactured from 1-7/8" mandrel bent 304 stainless steel tubing with 3" collectors for superior exhaust flow and optimal performance. These Kook shorty headers feature a one piece 3/8" header flanges that are TIG welded for extra strength and a direct OEM style fit.

Application. These Kooks Super Street Shorty Headers are designed to bolt straight up in the stock location to the stock factory Mid-Pipe without any modifications required on the 2011 to 2014 5.0L GT and BOSS Mustangs for improved exhaust flow and sound.
Header Specifications
Header Type: Shorty Finish : Natural
Type Mid Pipe Required: Standard Length Fitment: 2011-2014 5.0 GT & BOSS Mustangs

Installation Time:

(approx) a Day

Difficulty Level:

Mechanical expertise or professional installation required.

What's in the box?

  • (1) Driver side header
  • (1) Passenger side header

What's in the box?

  • (1) Driver side header
  • (1) Passenger side header
  • GT 11, 12, 13, 14
  • Boss 12, 13

About Kooks

Kooks Mustang Exhaust Kits
For the past 40 years, Kooks has concentrated its efforts in the racing world. From drag racing to circle track, road racing, motorcycle, and even offshore boats, Kook’s Headers helped set records and win races. Some of the biggest and most dominant names in NMRA, NMCA and NHRA continue to run Kook’s headers and win championships. Kook’s humble beginnings have grown to a full fledged manufacturing facility, but with one major difference that sets us apart from the rest: high quality and great customer service remains the number one priority. You can expect that before and after your purchase as well as when you cross the finish line.