Air filter -RAMAIR- MR-003 CS= 40mmAll RAMAIR air filters are made of a special multilayer aeriform material. This offers an enormous air throughput with an unbeatable filter effect. Due to its very flexible and soft design, there are no scratches even when in contact with painted vehicle parts. Thanks to the large filter area, RAMAIR filters are ideal for all large volume or high revving engines. The filters are test bench tested and significantly calm the air flow. The material is water-repellent, pre-oiled and the air filter can be installed immediately.