Quick view Kooks Headers Kooks 2015+ Ford Mustang GT350 5.2 Complete Competition Exhaust (Headers/Green Cat X-Pipe/Axle Back) - 1154F330 Compare $10,480.46 $9,432.99 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... Add to Cart Add to Cart