Full Stainless steel 3' diameter tubing exhaust system for up to 450HP; Each system is supplied with a high-efficiency stamped crossover & high-flow TIG-welded 304 SS absorption mufflers; OE quality hardware (clamps, hanger rods and rubber isolators) provided to ensure excellent fitment and a leak free installation; Provides compatibility with stock parking brake cables; Both kits are supplied with turn-down style exits under the rear quarter panels. This stainless steel exhaust system closely follows the contours of the floor pan, carrying over the rear axle and exiting behind the rear valance.