Gibson Performance 5211 Cat-Back Dual Sport Exhaust SystemExhaust System Kit Cat Back Dual Sport Exhaust System Cat Back Dual Sport Exhaust System; Aluminized; 2. 5in. Tubing; 8in. Rd Body; 2. 5 in. Dual In 3in. Offset Out; L 24 in.; 3. 5 in. Polished Slash Cut Tip; Exit Behind Rear Tire; SPECIFICATIONS: Exhaust Type: Dual Exit Position: Dual Rear Exit Style: Straight Inlet Inside Diameter: 3. 500 in. Material: Aluminized Muffler Body Length: 24. 000 in. Muffler Type: Chambered Outlet Outside Diameter: 3.