Exhaust question
Guys & gals
If you have a totally standard STi5 what can be achieved by replacing the exhaust system ?
I understand a little bhp & a nice sound will develop but are there other advantages ?
Thanks.
Andy.
If you have a totally standard STi5 what can be achieved by replacing the exhaust system ?
I understand a little bhp & a nice sound will develop but are there other advantages ?
Thanks.
Andy.
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