Quick view Kooks Headers Kooks 12+ Jeep Grand Cherokee 6.4L 1-7/8in x 3in SS Longtube Headers w/Green Catted Connection Pipes - 3410H431 Compare $4,101.17 $3,691.99 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