Exhaust Pipe Reducer 2.50" ID to 3.00" Outer Diameter Adapter 304 Polished Stainless Steel WRD250-ID-300-OD-SS Wesdon Exhaust Pipe ---- This is made to fit a 2.50” exhaust pipe. Please measure your exhaust pipe to make sure you have a 3.00” exhaust pipe outlet and that you have the room for it to fit.