sti vs after market
21 February 2009, 01:05 AM
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sti vs after market
i currently have a sti backbox on my uk turbo (middle pipe decat and soon to be ninja downpipe)
how does the sti backbox compare to after market boxes in terms of air flow etc.
is it worth replacing it or keep it?
mark
how does the sti backbox compare to after market boxes in terms of air flow etc.
is it worth replacing it or keep it?
mark
Last edited by scoobmj; 21 February 2009 at 01:07 AM.
hello 
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