hey there.
Id like to know as well, and also is there a catalytic converter in the header pipe?
ive been told there is one and it restrict the flow a bit.
Looking at the stock muffler the header is sleeved up to fit into the muffler, perhaps a larger header pipe can be fitted.
Has anyone had the stock muffler apart and modified succesfully?
looking forward to hearing some wisdom
Phil, Street Cred motorcycle
www.streetcred.net.au
hahaha not many if any motorcycles have catalytic converters!
it will just be a noise silencer or spark arrestor.
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