Gibson Performance 69021 Cat-Back Dual Extreme Exhaust Fits 15-23 F-150Exhaust System Kit Cat Back Dual Extreme Exhaust Cat Back Dual Extreme Exhaust; Stainless; 3in. 2. 5in. Tubing; 7in. Rd Body; 3in. Center In 2. 5in. Dual Outlet; L 19 in.; 4in. Round Slash Cut Tip; Exit Behind Each Rear Tire; SPECIFICATIONS: Exhaust Type: Dual Exit Position: Rear Exit Style: Straight Inlet Inside Diameter: N A Material: 304 Stainless Steel Muffler Body Length: 19. 000 in. Muffler Type: Chambered Outlet Outside Diameter: N A System