Ace Race Parts 25026 3.000 OD x 2.250 OD 16ga Reducer (2.500 Long) - Brushed Finish - 304 StainlessAce Race Parts 25026 3. 000" OD x 2. 250" OD 16ga Reducer (2. 500" Long) Brushed Finish 304 Stainless A SMOOTH, FREE FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufacturer's choice for fabricating downpipes, dump tubes, exhaust systems, headers, and other custom components. Ace Race Parts transition reducers feature a smooth, concentric transition from one tube size to