Gibson Performance 67405B Black Elite Cat-Back Dual Split Exhaust SystemExhaust System Kit Black Elite Cat Back Dual Split Exhaust System Black Elite Cat Back Dual Split Exhaust System; Stainless; 3in. Tubing; 4x9x18in. Oval Body; 2. 5in. Dual In Dual Outlet; 4in. Rolled Slash Cut Clamp On Tips; Exit Straight Back; SPECIFICATIONS: Exhaust Type: Cat Back Exit Position: Dual Split Rear Inlet Inside Diameter: 2. 500 in. Main Piping Diameter: 3. 000 in. Material: Stainless Steel Muffler Body Length: 18. 000 in. Tail Pipe