2.5" or 3" Bore

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Aug 9, 2011 | 02:22 PM

#31

EOEUMC

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From: Rolling in my limo

So not too worry about the exhaust and stick with the 3" that's on it as it wont actually make much (if any) difference

Aug 10, 2011 | 11:28 AM

#32

andy97

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From: Api 500+bhp MD321T @91dB Probably SN's longest owner of an Impreza Turbo

Headers and up pipe are more critical to performance.

Aug 11, 2011 | 07:25 PM

#33

harvey

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From: Darlington

Very true. The wrong choice of headers and uppipe can result in a dog of a car. Flat and unresponsive.

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