Discontinued — remaining inventory only. Once this stock is gone, the part will be unavailable from the manufacturer.
Kooks 1-5/8" x 2-1/2" stainless long tube headers for the V6 Mustang. Picks up meaningful power versus the restrictive factory cast manifolds without changing the daily-drivable character of the car. The 1-5/8" primary is matched to the 4.0L V6's airflow needs, broadening the torque curve and opening up the top end where the OEM manifolds choke flow. Round port, stock bolt pattern bolts directly to the factory cylinder heads.
Fits 2005-2010 Ford Mustang V6 4.0L. EGR fitting is included for cars retaining factory emissions equipment. Pairs with the original Kooks V6 Mustang mid-section if available, or build a custom 2-1/2" mid-section to complete the system.
Kooks Headers & Exhaust has been hand-building stainless headers and exhaust systems in Statesville, North Carolina since 1962. Every Kooks header is welded by experienced fabricators in the same shop where the company's racing legacy was built. 304 stainless construction handles thermal cycling and salt-belt corrosion that destroys mild steel headers.
Includes gaskets and oxygen sensor extensions. Pair with an appropriate 2-1/2" mid-section and cat-back to complete the system.
