2.25" I.D. x 2.00" O.D. Reducer
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Nickson 2.25" I.D. x 2.00" O.D. Reducer

Part No. 548502 Warranty Details  

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

Reduces tubing of different size
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Adapter Inside Diameter:2.25 in
Adapter Length:3.75 in
Adapter Outside Diameter:2.25 in
Material:Aluminized Steel

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1 Question | 1 Answer
Displaying question 1
  • Q:

    i need an adapter to fit OVER my existing 2" exhaust and fit IN my new 2.25" exhaust. what is the difference between ID and OD measurments for fitting exhaust over a pipe or inside another pipe
    Asked on 10/22/2014 by christoph from minneapolis mn

    1 answer



      Hi Christoph , I'm happy to help! This reducer will fit your application. The inside diameter is 2.25" and the outside diameter is normally larger in 1/10th of an inch. So for a reducer with inside diameter of 2.25" the outside diameter is normally around 2.45". Based on this measurement you can either use it on top of the source pipe or insert it.

      Answered on 11/11/2014 by John the Car-Doc from AAP
Displaying question 1

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