BMW M3/M4 and M2 Competition Chargecooler Radiator Subaru > Impreza > 1993-1995 This actuator uses a piston

This actuator uses a piston design for maximum longevity in comparison to the OEM diaphragm unit

Made by Pierburg

this inlet hose maintains a constant internal diameter to ensure a smooth flow of air to the turbo

35mm 135° Elbow Silicone Hose

BMW M3/M4 and M2 Competition Chargecooler Radiator Subaru > Impreza > 1993-1995 This actuator uses a pistonWith modern day aftermarket ECU tuning pushing powerful engines harder, in certain conditions the vehicle will run the risk of receiving inadequately cooled air affecting the engines efficiency and ultimately losing power. With this in mind, Forge are proud to release the PolarCooler to enhance the auxiliary cooling systems on the BMW M3 M4 vehicles Building on lessons learned in developing our successful range of Audi and Mercedes chargecooler system