like stated will the 400 ex plastics fit on the 300 ex.......i have 400 explastics and gas tank but i wanna know if it will fit on my 300

 

not without making custom brackets, and modding the plastic. it looks better then the 300ex plastic also. try exriders.com and search, you should find it there. plus these 2 wheeler guys wont konw anything about atv's.