BMC Air Filters - Aprilia RSV4 Racing Filter (2009-2015) High Performance Air Filter Option:Race Filter (FM563/08RACE) 000392″)

000392″)

00″ Diameter

But the inter muffler pass through pipe is 42

SHIFT MANUFACTURING & METAL MULE

TYPE YEAR CRF450R 2005 CRF450R 2006 CRF450R 2007 CRF450R 2008

BMC Air Filters - Aprilia RSV4 Racing Filter (2009-2015) High Performance Air Filter Option:Race Filter (FM563/08RACE) 000392″)This 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.