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11037HKR | BO REDR, 3 1/2TO 3 1/2

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11037HKR | BO REDR, 3 1/2TO 3 1/2close

Just pick the reducer size that matches the diameter of the header collector. Bolt it to the collector ring, and weld on the tailpipe. If you have a header without the collector ring, use Hooker slip-on reducers. They're sized to slip over the collector and weld to the exhaust pipe.Features:Bolt-On ReducerOne PairBrandHookerEmission Code5Flange Size3-1/2 inchPipe Size3-1/2 inchProduct TypeMiscell..