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Old 15-12-2019, 05:26 PM   #6
350TSS
Too much time on my hands member
 
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Join Date: Jan 2013
Location: Shipbourne
Bike: M900
Posts: 1,419
Can you share more details from the book, sounds(?) interesting, how does it calculate the degree of back pressure, open pipe vs a standard restricted exhaust?, megaphone vs an open pipe vs a reverse cone megaphone?
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