Twin Air - Air Filter Skin - 2014/2018 YAMAHA YZ250F 2014/2017 YZ450F Size:OSFA Reduced and constant friction -

Reduced and constant friction - reduction of over 20%

on back of armholes and on bottom back

One size only

100% biodegradable

Twin Air - Air Filter Skin - 2014/2018 YAMAHA YZ250F 2014/2017 YZ450F Size:OSFA Reduced and constant friction -Twin Air Air Filter Skin 2014 2018 YAMAHA YZ250F 2014 2017 YZ450F Twin Air Filter Skins, probably the best solution for motocross and enduro riders. A cleaner air filter provides more power and helps towards a longer life of the engine, also service intervals on the filter become less. This universal Skin fits virtually overall air filters on the market, and installation is simple, just slip it over your regular filter. The skin acts as an extra layer