decat question on 03 STI
hi,
i have a hayward & scott free flow middle cat on my 03 STI the back box is standard, if i fit a decat down pipe will my car fail on emissions??? or is the middle cat enough? any info would be appreciated
i have a hayward & scott free flow middle cat on my 03 STI the back box is standard, if i fit a decat down pipe will my car fail on emissions??? or is the middle cat enough? any info would be appreciated
a few have asked this question and the general concensus is that it will fail the mot with just a centre sports cat and decat downpipe. ive just got myself a prodrive sports cat to combat the problem.
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