Thread: 3 inch or 2.5 inch exhaust
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Old 09-13-2007, 07:51 AM
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akrapovic akrapovic is offline
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Default 3 inch or 2.5 inch exhaust
I've received conflicting advice. I have a 396/402 BB, I've been told 3 inch is the only way to go for a BB. Others have said 2.5 in for correct back pressure.

Thanks in advance.
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