Reducers 3.0" W/Bolts
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Spectre Reducers 3.0" W/Bolts

Part No. 4641 Warranty Details  
Quantity  Add to Cart

Fit of this part varies by vehicle & equipment specs Type of Fit

Spectre's Header-Collector Reducer kit includes two 3 to 2 1/2 inch header reducers and a set of extra thick 1/8 inch gaskets. The header-collector reducers are nickel plated for a long lasting, great looking finish. These header-collector reducers also have a 3-bolt welded on flange with a 2-1/2 inch reducer pipe to allow you to attach a 2-1/2 inch pipe to a 3 inch flange. The gaskets are compressed of ceramic fiber (CCF), which is designed to exceed typical non-asbestos type gaskets. The CCF is designed to not deteriorate or crack from excessive heat or pressure. This universal application includes necessary nuts and bolts made from nickel plated steel.

Product Features:
  • Nickel plated steel
  • Incudes two 3 in. to 2-1/2 inch reducers
  • Gaskets/hardware included
  • 1/8 inch thick compressed ceramic fiber gaskets
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Collector Diameter:3 in
Gasket Or Seal Included:Yes
Hardware Included:Yes
Oxygen Sensor Bung Included:No
Reducer Outlet Diameter:2.5 in

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    Will this part mate up to the input of catalytic converter intake #15857
    Asked on 8/9/2014 by n/a from florida

    1 answer



      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.

      Answered on 8/15/2014 by Heath, ASE Parts Specialist from AAP
  • Q:

    what size is the flange its self???
    Asked on 10/6/2012 by Boosted_monkey from orlando

    1 answer



      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.

      Answered on 10/8/2012 by John the Car-Doc from AAP
Displaying questions 1-2

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