HKS Speed Limit Defencer - SLD Type I Badges & Emblems The filter medium is ISO

The filter medium is ISO tested to OEM filtration standards

Wondered about the previous life it had

Never be without that trusty 10mm again

and is also ideally suited for engines with hydraulic tappets

Engine power is directly related to the rate of incoming and outgoing airflow

HKS Speed Limit Defencer - SLD Type I Badges & Emblems The filter medium is ISOMost of JDM vehicles are equipped with speed limiter function. With this function, the vehicle's speed cannot exceed 180km h. On the other hand, the performance of JDM vehicles is improved; even non sports models are capable of driving over 180km h.HKS SLD can eliminate the factory speed limiter to drive over 180km h and bring out full performance of the vehicle.