- Significant Horsepower & Torque Increase
- Completely Stainless Steel Construction
- 1-7/8" Primaries for Street/Strip Applications
- Strong 16 Gauge Stainless Tubing with 3/8" Thick Flanges
- Connection Pipes with Ultra High Performance Green Cats
- 49 State EPA Certified Catalytic Converters
- Includes O2 Extension, Gaskets & Hardware
- Custom Tuning Recommended
Increased Exhaust Flow = Maximum Power
Make a huge increase in the output of your 2015-2017 Mustang GT with these stainless steel Kooks long tube headers with Green Catted Connection Pipes. Kooks full length headers will increase your exhaust flow giving you additional horsepower and torque as well as imparting a throaty exhaust note. Their stainless steel construction protects against rust and corrosion, keeping them looking good and performing for years to come.
Excellent Fit and Finish
These Kooks headers are made from 1-7/8" x 3" CNC-machined mandrel bent stainless steel tubing with 3/8" thick flanges to eliminate warpage. Kooks spends enormous amounts of R&D time to make sure their headers fit well and provide the ultimate horsepower gains.
- 2015-2017 Mustang GT 5.0L