"Black Market Racing Vented Catch can for 2008-2014 Subaru impreza WRX and STI models. Includes everything needed for a complete install. Increase in power means an increase in crank case pressure! To eliminate this we vent both valve covers to our catch can so that you can maximize your car's performance! This kit includes all hardware, hoses and fittings to make for a complete installation! ...
"Designed to fit and function! This is a sealed catch can built here at Black Market Racing specifically for the 2015 and newer WRX with FA20DIT Motor. Mounts in the passenger rear portion of the engine compartment. This helps keeps the oil from the crank case from entering your intake manifold and lowering your octane rating, which will cause detonation and possibly failed ring lands!   ...