i have a 2006 blaster with a fmf fatty pipe and silencer v force reeds boost bottle air filter and jet kit for the carb i still have the factory bubble tires 21*10*8 iam looking to get tha maxxis razr 20*11*8 or 18*10*8 was wondering which is better for the blaster dont want to kill bottom end or top end and dont want to loose ground clearence neither