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Old 07-25-2010, 03:15 AM
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scotto- scotto- is offline
Custom 4-Stroke Bike Builder
Join Date: Jun 2010
Location: Ridin' inSane Diego, CA.
Posts: 6,504
Default Re: Expansion Chambers

To answer Tacomancini...yes and yes.

Yeah that pipe has a real crackly pitch while idling and is fairly loud overall. If it was mid-bleed it'd be much quieter fo sho. It does improve performance however...fer sure. I do love expansion chambers and experimenting with them. Formulas for them are's all about port timing.

Enter induction the formula!
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Last edited by scotto-; 07-25-2010 at 03:19 AM. Reason: add explain
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