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Old Oct 07, 2012, 02:20 PM
Waltjg is offline
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Crystal River Fl.
Joined Jul 2008
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Bill, it doesn't have to be super strong as the force works all the way around, I use a .005 Mylar for my exhaust ducting and it works great, but I'm not sure about the bi-fulcral exhaust you have there, anyone have any experience with this?? I know on intakes it needs mto be strong as the suction will collapse it if it isn't. BTW,,, what is your exhaust opening? Is it 85% of FSA??? W.
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