Ace Race Parts 75005 3.500 OD x 3.000 OD 0.039 (1mm) Reducer CP1 Titanium - (1.188 Long)Ace Race Parts 75005 3. 500" OD x 3. 000" OD 0. 039" (1mm) Reducer CP1 Titanium (1. 188" Long) ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice for fabricators and manufacturers when it comes to fabricating downpipes, dump tubes, exhaust systems, headers, teardrop exits, and other custom components. Ace Race Parts exhaust transitions ensure a consistent,