The Snow Performance Stage 2 Boost Cooler kit for 2013–2018 Ford Focus ST is a tailored water-methanol injection system that includes a custom throttle-body spacer plate, braided stainless line and 4AN fittings. The Stage 2 system uses a VC-50 progressive controller that proportionally injects by boost pressure, with adjustable start and full points to match the engine's needs for improved drivability.
Snow Performance Stg 2 Boost Cooler 13-18 Ford Focus ST Water Inj Kit (SS Braided Line/4AN Fittings)