Air Filter and Downpipe/Exhaust

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  • steverrquattro
    S2Forum Maniac
    • Oct 2006
    • 789
    • Country: England

    #1

    Air Filter and Downpipe/Exhaust

    I have an ADU installed in a SWB UR and I would like advice on the following:

    1. There is no airbox, so what would be a good set-up for the air filter?

    2. Should I keep the RS2 downpipe and fit it to the existing exhaust system which is just a straight through pipe and back box?

    Cheers,

    Steve
    Steve

    1990 RR 20V
    1982 SWB UR - RS2 Engine

  • AndyP
    S2Forum Zealot
    • Feb 2004
    • 6049
    • Country: England

    #2
    Depends on what sort of power you're aiming for on the downpipe. A std RS2 downpipe is good for at least 400hp so unless you want more leave it alone.

    You can have a look at my filter set up next weekend
    sigpic
    1991 Audi S2 3B - 2.5 Stroker engine
    1997 A6 2.5TDi quattro avant - C4
    1976 RD250E / 350LC cafe racer

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    • steverrquattro
      S2Forum Maniac
      • Oct 2006
      • 789
      • Country: England

      #3
      Originally posted by AndyP
      Depends on what sort of power you're aiming for on the downpipe. A std RS2 downpipe is good for at least 400hp so unless you want more leave it alone.

      You can have a look at my filter set up next weekend
      I'm looking for circa 390 bhp by replacing the IC's, so that's good news!

      I'll see you next Saturday then in the freshly painted RR.

      If I can get what I think is a boost leak sorted, you can have a drive to see how the S2 compares to the RR.
      Steve

      1990 RR 20V
      1982 SWB UR - RS2 Engine

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