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|This product doesnt fit any of your saved vehicles||Check Fit for another vehicle|
|Collector Diameter:||3 in|
|Gasket Or Seal Included:||Yes|
|Oxygen Sensor Bung Included:||No|
|Reducer Outlet Diameter:||2.5 in|
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Q:Will this part mate up to the input of catalytic converter intake #15857
A:I'm happy to help! The Spectre Header-Collector Reducer Kit 3" to 2-1/2" with gaskets should bolt directly to the catalytic converter front where the flange is located on Walker Part No. 15857. Since these are not Exact Fit parts for the vehicle, modification could be required.
Q:what size is the flange its self???
A:The flange size of the Spectre Header-Collector Reducer Kit 3" to 2-1/2" with Gaskets - Part No. 4641 is 3.00". For any further assistance please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto store and one of our representatives will gladly assist you with any questions or concerns you may have.