Phil Irwin Posted June 23, 2002 Share Posted June 23, 2002 Writing this with complete ignorance as I don't even know if the NA has 1 or 2 cats! Is there a noticeable increase in performance if you de-cat and if so, who does the pipes? Link to comment Share on other sites More sharing options...
Rob Posted June 24, 2002 Share Posted June 24, 2002 I believe Chris Wilson now sells decat pipes for the N/A, to replace both cats. Link to comment Share on other sites More sharing options...
Ian C Posted June 24, 2002 Share Posted June 24, 2002 I know the MkIII NA went from 200bhp down to 185 when it got cats strapped on in 1989. Hiss, boo, etc.. So you should notice a MkIV being a tad more lively if you do remove them! -Ian Link to comment Share on other sites More sharing options...
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