BMC Air Filters - Aprilia RS4 50/125 High Performance Air Filter Option:Standard (FM736/01) Specifications and approvals: API GL5

Specifications and approvals: API GL5 LS

furthermore plastic does not create vibrations and do not save deformations

Polished throttle section for smooth acceleration

including a large SuperFabric® insert inside the palm

with the option to upgrade by installing our SEESOFT™ CE-level 2 back protector insert

BMC Air Filters - Aprilia RS4 50/125 High Performance Air Filter Option:Standard (FM736/01) Specifications and approvals: API GL5This 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.