All JEG'S cat-back exhaust systems use fully-aluminized, 16-gauge, mandrel-bent tubing. Each direct-fit replacement system includes a 3" intermediate pipe, a welded turbo muffler, dual 2-1/2" tailpipes, hangers, clamps, and hardware.Note: The letter/number code following the applications below refers to the eighth digit of the VIN# (driver's side, base of windshield).