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Old August 21st 2004, 16:05
Angelo Amato's Avatar
Angelo Amato Angelo Amato is offline
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Join Date: Aug 2002
Location: Merseyside, England
Posts: 109
EXHUASTS - back pressure ?

just looking into building a zorst for my type 3, what's the score with having back pressure for a type 4 motor ? do i need it or will a straight thru system do ? - mainly asking to decide on my choice of muffler.

cheers

Angelo
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