Simply the cheapest way to increase bottom end and midrange is with the Slater Skins high flow air box cover. Noticeable power improvement over the stock cover.
Integrated ventilation slots at the front and side of the cover.
- With increased air flow there is a huge improvement over stock
- Plastic molded, lightweight, custom fit
- Simple bolt-on
- Made in the USA
Slater Skins High Flow Air Box Cover - YZ250F/X WR250/450F 24-25, YZ450F/X 23-25
YAMAHA-
'24-'25 YZ250F
'25 YZ250FX
'25 WR250F
'23-'25 YZ450F
'24-'25 YZ450FX
'24-'25 WR450F