Pro circuit or powercore 2?

The dynoport isn't a good trail pipe unless you have wide open trails that aren't tight or technical. .its power is all top end power. ..you have to be very aggressive and dump the clutch and keep the rpms high to have any low end power
 
The dynoport isn't a good trail pipe unless you have wide open trails that aren't tight or technical. .its power is all top end power. ..you have to be very aggressive and dump the clutch and keep the rpms high to have any low end power
yea i knw..thts why i dnt run a counter balance gear on my bike