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0T Track 228-4301
CSF recommends purchasing two Auxiliary Radiators to replace both left and right OEM units (for vehicles with two from the factory)
Carries FIA and SFI certification
Mahle Piston Set 93-09 4G63 85
GFB Diverter Valve DV+ 2022+ Subaru WRX Coolant flow & Temperature Components 0T Track 228-4301The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previous turbo Subaru engines. This is controlled by the ECU, and whilst it sounds like an advancement in technology, in some ways it is a step backwards. It may react to throttle closures faster than a pneumatic valve, but longevity and boost sealing is an issue with these types of valve because their valve
