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11138HKR | SO REDUCER 4 TO 3

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11138HKR | SO REDUCER 4 TO 3close

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:Slip-On ReducerOne PairBrandHookerEmission Code5Flange Size4 inchPipe Size3 inchProduct TypeMiscellaneous Ex..