The āEVOLUTIONā air filters are a very important parts for the racing engines to better exploit the engine carburetion.
The particular sponge grants high filtering capacity which traps all the impurities present in the air but, at the same time, it lets the air go through.
The cylindrical shape with decentralized sleeve for the EVOLUTION filters, and the ātruncated-coneā shape for the āBIG EVOLUTIONā ones let an easy assembling, adaptable to all the scooters models.
Part no.: 203.0146 AIR BOX FOR SCOOTER CARB.19 PHBG EVOLUTION 2Ā