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decat or catnot

  1. diesel decat/cat(not dpf related)

    Tuning & Upgrades
    hi guys sorry for another cat thread none of the other threads had the info im after. currently my car is fully decatted stainless 2.5" from turbo to 2.5"flexi to 2.5" straight through box and tailpipe, all obviously non std. the mot station ive been going to for a few years is great but...