Gibson Performance Exhaust Gibson 17303-B Cat-Back Dual Split Exhaust System, Black Ceramic Jeep : Cat-Back Dual Split Exhaust System, Black Ceramic Baffled & Chambered Muffler Design, No internal Packing, Minimal Interior Drone, Aggressive Sound 4 x 9 x 18 in Oval Body; 2.50. in. Offset Inlet; 2.50 in Dual Outlet. Proudly Made in the USA. Tip Specification : Inlet 2.50 Inch, Outlet 4.00 Inch, L- 8 Inch 2.50-in. Aluminized mandrel bent tubing