STI 7/8 Backbox
17 October 2003, 07:39 PM
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Does antyone know if replacing my std wrx my03 exhaust with an sti7/8 one would give me any gains in bhp and general noise. Also Would it be worth putting sti bonnet scoop on inplace of my std wrx one ?
Thanks in advance.
Pav
Thanks in advance.
Pav
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