assault 800
Member
need help so here is my story put aftermarket pipe an powercommander 5 on my 800 pro r an have lost 200 rpm's from 4000/8200 rpm's so it seem's to me im losing power. using all the same clutching with stock pipe an with aftermarket pipe an commander 11/66 weight's gold spring sec. 719 helix black spring 155/222 could use ur help Brock an DR. thx great site