Replacement 8 Ply Air Filters for Yamaha, Honda, Kawasaki, KTM, and Suzuki.
FCI's Custom 8 Ply Filters tested to the Highest Standard-
"We feel the ISO standard is what all performance filter manufacturers should be using to develop their products."
The ISO (International Organization for Standardization) specifies uniform test procedures, conditions, equipment and a performance reports to permit direct comparison of air filters and induction systems.
Testing to these high standards enables FCI to accurately measure their products against not only OEM equipment, but also to the competition. The ISO 5011 Standard is what FCI adheres to as they seek improvements in their product line so they meet the highest standard possible.
The end result is simple: increased horsepower by reducing the restriction of the air filter and/or intake kit while still protecting the engine. Trust your performance needs to the only performance filter tested to these standards and post results.