Green 3-layer replacement filter for 200mm diameter HKS mushroom filters, authentic HKS
HKS 10th generation turbotimer.
HKS FCD (Fuel cut defender) provides higher boost without fuel cutting.
HKS SLD (Speed limit defenders) which give you the last restricted powers out of the car.
HKS turbo timer harnessHarness chart / additional info (HKS page, in english): here
A genuine HKS "mushroom" air filter flows and fits where traditional cone filters don't thanks to the short yet wide design. Replaceable air filter element.