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To decrease air intake resistance and temperature, inhaling more air through air intake improves combustion efficiency, which leads to a power increase. The technology and capability MUGEN devotes to “High performance intake systems” are always related with GT and Formula machines competing at circuits.

Temperature can be a burden when it comes to sending as much fresh air as possible into cylinders. “Hi-performance air cleaner and box” whose inlet position is optimized as replacement for genuine part. Air inlet layout, its capacity, the material of box and filter are all designed and developed for each vehicle model individually so as not to compromise the installation and/or cause elevated air temperatures. Also in the case of S2000 and INTEGRA, MUGEN aerodynamic bumpers have been developed in conjunction with the air box. Installation of both parts results in absolute performance increase.

“High performance air filter” is a replacement type moistened with oil and with a stainless steel mesh employed as a core part of the filter. Due to the low density sponge material, the flow resistance of the filter itself decreases by 50%.

However even a tiny dust particle cannot be allowed to enter the cylinders, and the severe conditions imposed by both motor sports and street driving continue to drive the development. Drawing on the experience gained in its long history and association with racing, the filter MUGEN supplies for air cleaner has a large and rigid inlet cross-sectional area and is made of the same material as that utilized for racing cars.