ive drivin primus on d-day 2. not alot of tracks where i used to live but i can assure i know how to drive grip of slip i love em both.so i am kind of familiar with primus but i just read the info packet and u guys use the whole track(sweet). but the biggest thing i need to know is price i just spent alot of money on d-day2 getting the car done so if you can post it or should i just call the number in the packet let me know please.