HSI Cyclone Air Filter Adapter 38mm Short Stack
HSI Cyclone Air Filter Adapter 38mm Short Stack. The Cyclone shape of these air filter adapters smooths and speeds up the flow of air into the intake, allowing the most air possible to flow through the given volume of the intake. In other terms – MORE AIR means MORE POWER for the engine. Gain RPM’s and get optimal air flow by using Short Stack or Tall Velocity Stack air-filter adapters. Hardware included. Cyclone Short Stack Height = 30mm Cyclone Tall Velocity Stack Height = 60mm