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Custom Exhaust Question

Posted: Mon May 09, 2016 1:52 pm
by 0m3nc0w
I'm doing my first build on a '78 R100/7 and will be adding exhaust like this. Wondering if anyone can give me the outer measurement of the stock exhaust where I have the arrow.
Image of exhaust
Image of exhaust
Exhaust3.gif (97.79 KiB) Viewed 1018 times
Thanks!

Re: Custom Exhaust Question

Posted: Mon May 09, 2016 5:44 pm
by mattcfish
38mm on most or 40mm for some of the big valve bikes.