HKS Super Air Filter - Subaru GRB/GH8/BP5/BR9 Gates Key Benefits and Performance Gains:

Key Benefits and Performance Gains:

Removing the catalytic converter results in a more linear boost and improves throttle response

Bespoke high-flow dry cone filter that meets ISO filtration standards

you can expect the absolute best fit and finish

Cuts restriction to the turbo for better throttle response

HKS Super Air Filter - Subaru GRB/GH8/BP5/BR9 Gates Key Benefits and Performance Gains:HKS specializes in aftermarket high performance parts and is perhaps the most well known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their vision was to tune and manufacture engine components that surpasses OE Manufacturers. They now produce some of the highest quality aftermarket parts on the market, with some of the most innovative design available.