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Stainless Bros transition reducer, 1.188-inch overall length, steps from 3.5-inch to 4-inch diameter and offered in aluminum. Use it to adapt exhaust or intake piping sizes smoothly where a modest diameter increase is required. Its compact design simplifies joins between different tubing sizes during custom fabrication, muffler work, or piping repairs while keeping a clean transition profile.
Stainless Bros 1.188in OAL 3.5in to 4in Transition Reducer - Aluminum
