HOOKER AERO CHAMBER MUFFLER 2 1/2" OFFSET - OFFSET # 21504HKRHOOKER AERO CHAMBER MUFFLER 2 1 2" OFFSET OFFSET # 21504HKR Muffler, Aero Chamber, 2 1 2 in. Inlet 2 1 2 in. Outlet, Steel, Aluminized, Each Muffler Material: Steel Case Shape: Oval Inlet Diameter (in): 2. 500 in. Inlet Quantity: One Inlet Location: Offset Outlet Diameter (in): 2. 500 in. Outlet Quantity: One Outlet Location: Offset Reversible: No Internal Construction: Chambered Muffler Finish: Aluminized Case Exterior Length (in.): 14. 000 in.