MULTI-STAGE COMPETITION AIR FILTER THUMPSTAR the D605 is a value

the D605 is a value option for the all-around rider

Install and Remove without modifying the OEM Throttle body

The cylinder comes with a high quality 2-ring piston and a HC cylinder head

Its large dial face and backlight makes it easy to read all day long

MULTI-STAGE COMPETITION AIR FILTER THUMPSTAR the D605 is a valueDesigned to fit in the factory air box exactly like original filter The best selling replacement air filter for competition motorcycles and ATVs Unique two stage design allows for easy and complete cleaning Dual layer of foam, can be serviced separately Thin Ultra Seal base is virtually impossible to tear and has a built in "Grease Groove" Used by factory Yamaha, Kawasaki and Suzuki off road