2.5" or 3" Bore
09 August 2011, 02:22 PM
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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
10 August 2011, 11:28 AM
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Join Date: Aug 2004
Location: Api 500+bhp MD321T @91dB Probably SN's longest owner of an Impreza Turbo
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Headers and up pipe are more critical to performance.
11 August 2011, 07:25 PM
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Join Date: Mar 2001
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Very true. The wrong choice of headers and uppipe can result in a dog of a car. Flat and unresponsive.
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