Fits both authentic HKS filters, and most knockoffs. When you buy a car with a HKS filter, this is among the to-be-on-the-safe-side -items you should change on the first service. A fresh filter will increase power and reduce fuel consumption.
This is a stock item.
HKS is an Japanese producer who manufactures wide range of performance parts.
You can get HKS airfilters for example.
HKS products in the shop