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Downpipe/decat onto OEM catback..?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Boosted, Jan 23, 2012.

  1. Boosted

    Boosted New Member

    Joined:
    Sep 15, 2011
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    I'm on S1 software currently

    Looking to fit
    aftermarket downpipe and decat but the OEM catback section will
    remain.

    Will this have much effect on S1 software? or would I need to go
    S2 map?

    Any clutch issues with these mods on the current map?
     

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