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  1. C

    170 exhaust

    Hi i have just purchased an audi a4 s line 140, is it possible to fit the 170 exhaust on the rear without any mods. If not, are there any companies out there that supply the pipes on each side? And finally, do anyone know how much the rear lower valance costs to accomodate the new system. re rich
  2. C

    rear audi exhaust diffuser

    Hi this is my first posting on here, i am in the process of purchasing an a4 s line 140 version tomorrow. I have noticed that the 140 version exhaust has twin pipes only on the one side. Would i be able to change the rear diffuser to a twin pipe 170 version without any mods. And would the...