Borla 140656 S-Type Cat-Back Exhaust System Fits 13-15 ExplorerExhaust System Kit S Type Cat Back Exhaust System S Type Cat Back Exhaust System; 2. 25 2. 5 in.; Incl. Connecting Pipes Mufflers Hardware 3. 5 in. Single Round Rolled Angle Cut Tips; Truck Single 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: 2. 250 in. System Type: Cat Back Tail Pipe Material: Stainless