Cobb Tuning Subaru SF Intake + Airbox (Black) STI 2015-2018 - 715315 919 Series HC4-XXG4 kit features a MaXX

HC4-XXG4 kit features a MaXX pressure plate for the serious enthusiast

Does not have a delay valve

-4AN 90 Degree Male Adapter To 3/8" NPT Male - Black - 822-04-06-2

12" long / ID of

All Mishimoto Acura RSX radiators are designed and engineered to maximize cooling efficiency

Cobb Tuning Subaru SF Intake + Airbox (Black) STI 2015-2018 - 715315 919 Series HC4-XXG4 kit features a MaXXEMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number: D 660 77 DESCRIPTION This intake and integrated airbox looks great and has the combined benefits of a short ram intake and a cold air intake without any of the negatives. This system utilizes