It fits to aluminum back plate softly and fixes Super Stealth Frame firmly. It will also be a guide for filter to surface of the hemisphere that make easy for replacement work of the filter.
Wet 2 Layer Filter:
Wet 2 Layer Type Super Filter has been used and proofed long time. It reduces intake resistance and special high viscosity glue has high dust collection performance.
Super Inner Frame:
Shape of inner frame is streamline. 16 frames are lightweight and they guide air flow smoothly.
Super Lip Funnel:
Super Lip Funnel design was developed to maximize intake efficiency in limited space. High intake efficiency and compact design that enables various layout of intake system in engine compartment are highly balanced