I am looking for some input from yall that have this set up on there rubi/foreman 2001ish. I am running a hmf swamp series xl exhaust with a uni filter and i have my jet at 170 my stock was 158. had my stock in ran fine but as we all know you gotta jet when doing add ons to catch the fuel with the intake of new air. didnt smoke on my stock jet but now im puffing black when i bump the trottle from idle with the 170. hmf sudjested this being the jet for the pipe to bike but i thinking im to rich. Who has this set up and what are you running? thanks for the help!