3" x 3" Competition Only X-Pipe. 1999-2004 Mustang. Requires Kooks Headers.Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud

while allowing smooth articulation

cold air flow through radiator to promote lower coolant temperatures

By doing so

For those not looking for a full roll cage

* Aluminum

and clevises

9 Hex Cap Bolts with Lock Nuts Sold as a pair

Also features Stainless Steel spacers and Black Anodized 2024-T351 Aluminum alloy turnbuckles for lightweight strength

On cars that are lowered significantly

along with Blue Anodized Titanium socket head cap screws and our 360 degree rotating clamp system

The rear down tubes also mount to a supported portion of the unibody structure

That means the design can handle the rigors of competition road racing as well as the brutal day-to-day grind of street driving