Fits 1968-1972 GM A-Body, 3.00 inch Aluminized Steel -;Super 40 Series Performance Mufflers for Deep Powerful Sound; H-pipe Crossover for Maximum Power and Deep Tone ; Mandrel-bent 16-gauge Aluminized Steel Tubing; Includes Hangers and Hardware for Installation; Crossmember-back True Dual Exhaust System; Does Not Include Header Reducers or Factory Manifold Downpipes; Aggressive Exterior Exhaust Tone; Large Dual 3.00-inch Tubing; 3-year Limited Warranty;