exhaust diameter?
11 March 2006, 10:10 PM
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exhaust diameter?
o my standardish '93 wrx what is the best diameter exhaust (for back pressure etc)?
I have a 3inch downpipe (hks) but are thinking this is probably to big for approx 300bhp!
Would exhaust flow be ok if I fit a 2.5 inch centre section to this downpipe?
cheers guys
Mark.
I have a 3inch downpipe (hks) but are thinking this is probably to big for approx 300bhp!
Would exhaust flow be ok if I fit a 2.5 inch centre section to this downpipe?
cheers guys
Mark.
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