This Hooker BlackHeart exhaust system was specially designed for 1967-1974 Mopar A-Body and is perfect for the person looking for moderate to aggressive interior and exterior sound levels. The crossmember-back exhaust system comes complete with a built-in X-pipe crossover, all mandrel-bent 2.50 or 3.00-inch 304 stainless steel tubing. The system includes all hardware necessary for installation and is designed to accommodate 111-inch or 108-inch wheelbases, and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our Limited Lifetime Warranty. Notes: Optional exhaust tips are available separately. Exhaust fitment confirmed with Gen III Hemi and the following transmissions: A727, NAG1, TKX (Chevy with RM-8079 bellhousing), 8HP70, 8HP90, TR-6060, and T56 magnum