MBRP Exhaust S5020AL Installer Series Cat Back Exhaust SystemExhaust System Kit Installer Series Cat Back Exhaust System Installer Series Cat Back Exhaust System; 2. 5 in.; Incl. Extension Pipe Muffler Over Axle Pipes Tailpipes Hardware 3. 5 in. OD Tip; Dual Split Rear Exit; Aluminized; SPECIFICATIONS: Exhaust Type: Dual Exit Position: Dual Split Rear Exit Style: Straight Inlet Inside Diameter: 2. 500 in. Material: Aluminized Steel Muffler Type: Straight Through Outlet Outside Diameter: 3. 500 in. Tail Pipe