i everibody i have recently buy an arctic cat m8 2009 and im thinking to put a complete exhaust line brand d&d (silencer can,y pipe,single pipe) in the sled but i have a question can i put the line in the sled if i had the stock efi control box i dont know if the stock box will compensate the change to get good fuel ratio hat every tempereture do i absolutly need a boondocker control box???? if someone test that please help me thanks