Hey every one i have a 91 650sx with an sbn44 carb,factory pipe and im planning on doing a high compression head in the fall my question is im purchasing either a 8/16 or 9/17 skat trak prop and was wondering about either boring the nozzle or buying a freestyle cone does anyone have any advice i heard you have to have alot of hp for the cone to work properly any advice would be great thanks
