hey im not sure about where u could race in montana, the only thing id say is try to search for places on the net....but as far as setups go for a xc banshee....u are gonna want some low end pipes, i have fmf gnarlies, they work great, some people dont like them, but i love them, i can keep up with a 450 all day on the trails.... another thing is u want some good tires....we are talkin like kenda klaws or gncc tires. depending on how tight the course is u might wanna keep ur aarms the stock length, mine are 2 plus 1 but u definatly will want a set of nice adjustable shocks. i have elkas , but if u are short on cash, go to craigslist or on here, and find someone with yfz450 shocks, they also work well, i had those the first few harescrambles i raced in. once u get out there and race a few times, then u can maybe do more mods to your bike, but keep it simple for now, ur gonna need alot of endurance to race a harescramble. so like i said, get ur self some low end pipes, then some better suspension, after u got those 2 things and u have some money left over, go for the tires.