Ace Race Parts 53007 2-1/2 x 2 Schedule 10 Concentric Reducer 304 StainlessAce Race Parts 53007 2 1 2" x 2" Schedule 10 Concentric Reducer 304 Stainless A Smooth, Free Flowing Way to Step Up or Down in Size! The Ace Race Parts brand of Schedule 10 pipe size Reducers are the perfect solution for small and large turbo manifold applications. Ace Race Parts stainless concentric reducers can withstand the punishment, vibration, and heat of a high horsepower street, drag, or track car. FEATURES Smooth, Concentric Style Transition