Borla 14139 Touring Cat-Back Exhaust System Fits 87-93 MustangExhaust System Kit Touring Cat Back Exhaust System Touring Cat Back Exhaust System; 2. 25 in. Into 2 in.; Incl. Connecting Pipes Mufflers Hardware Turndown Turnout Tip; Split Rear Exit; SPECIFICATIONS: Exit Position: Split Rear Exit Style: Straight Inlet Inside Diameter: 2. 250 in. Material: T 304 Stainless Steel Muffler Type: Turbo Outlet Outside Diameter: N A System Type: Cat Back Tail Pipe Diameter: 2. 000 in. Tail Pipe Material: Stainless Steel