up-pipe question

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30 August 2008, 12:30 PM

leeroywrx

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up-pipe question

is there a cat in the bugeye sti up-pipe?what would the advantages if i replaced it for a uprated one?help

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30 August 2008, 01:21 PM

IJE71

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Only the bugeye WRX has a pre cat, removing it gives about 9 bhp but the STI does'nt have one so there's no need to change it

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31 August 2008, 03:38 PM

harvey

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The STi has no CAT as stated above but replacing the O/E uppipe with the right design of aftermarket replacement will bring gains.
Look here : harveyperformance.co.uk

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