Gibson Performance 65655 Cat-Back Dual Extreme ExhaustExhaust System Kit Cat Back Dual Extreme Exhaust Cat Back Dual Extreme Exhaust; Stainless; 2. 25in. Tubing; 4x9x18in. Oval Body; 3in. Center In 2. 25 in. Dual Outlet; 4in. Polished Rolled Slash Cut Tip; Exit Behind Each Rear Tire; SPECIFICATIONS: Exhaust Type: Cat Back Exit Position: Dual Split Rear Behind Rear Tires Inlet Inside Diameter: 3. 000 in. Material: Stainless Steel Muffler Body Length: 18. 000 in. Tail Pipe Diameter: 4. 000 in. Tip