BMC Air Filters - Yamaha WR250F/450F 2003-2009 High Performance Air Filter K-Type-Electronic Mounts Stainless Steel heat shield

Stainless Steel heat shield

Their unique design means only one 10mm wrench is needed to make chain adjustments

9 for less aggressive trail riders

BRP inserts install with a common hex key wrench and can be transferred from one bike to another

conveniently located center locking mechanism evenly distributes shield forces across both base plates

BMC Air Filters - Yamaha WR250F/450F 2003-2009 High Performance Air Filter K-Type-Electronic Mounts Stainless Steel heat shieldThis High Performance air filter is made from premium material that allow increased air flow and filtration efficiency, blocking containment as small as 7 microns (compared with 10 microns in most other filters). BMC air filters are produced using a "Full Moulding" system. This prolongs the life and durability of the filter. The rubber used in BMC air filtering systems has a long life with optimum adhesion characteristics to all shapes of airboxes.