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revo stage 2 with cai+ catback! ??

yamatei Jul 11, 2013

  1. yamatei

    yamatei Member

    hi all I'm new here.
    Just brought a 09 s3 it has some mods done already.
    Miltek cat back. Forge twinintake. Forge dv.revo stage 2.
    My quistion is. It has milltek cat back with stage 2 map on it .
    If I put a miltek down pipe with high flow cat do it need to retune map to suit???
    Or the stage 2 is already cover/map on high flow down pipe and
    it just make it breath better and no need to retune map??
    Will it trigger the CEL with high flow DP?!!
    Many thanks for help
    Last edited: Jul 11, 2013
  2. jimojameso

    jimojameso Active Member Team Nardo Section Mod Audi RS3 TTRS

    To be stage 2 its should already have a sports cat or decat otherwise exhaust temps would be too high. Its probably just stage 1 at the mo my friend :)
  3. yamatei

    yamatei Member

    Just rang revo office today stage2 can run or map with just cai + catback .
    However according to revo With downpipe and high flow car you will see
    Another 5% gain.should I get the DP I'm not sure?!!

    P.s Haldex comp controller + bilstein b8 on its way. .can't wait..:rock:
  4. S.

    S. Save the manuals Team Ibis TFSI Owners Group Audi S3 quattro Manual

    dp is essential for making more power. stick a dp and high pressure fuel pump with stage 2+ map and that's a different story.

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