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or select an optional Diode Dynamics wire harness
the perfect companion for GT-R enthusiasts and nature lovers alike
Very few parts
Improves acceleration
COBB Tuning Fuel Rail Line Kit - 2008-2021 Subaru STI PDM_exhausts or select an optional DiodeReal Time Fuel Pressure Data Through the Accessport The Cobb CAN Fuel Pressure Kit for the 2008 2021 Subaru WRX STI adds real time fuel pressure monitoring to the Accessport V3 without tapping into the vehicle's OBDII system. The sensor reads fuel pressure directly from the fuel rail and transmits it to the Accessport via a dedicated CAN bus connection. For builds running elevated boost and modified fueling, knowing fuel pressure in real time is