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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Note: Requires tuning
and broadens the power band
44% over stock
IS38 Turbo 104 AKI / 108 RON
Note: R7437-9 and R7438-9 can be interchanged
GFB WGA Internal Wastegate Actuator Short Ram Intakes Note: Requires tuningThe WGA is a high performance bolt on internal wastegate actuator designed to bring boost on sooner and hold it longer! The WGA is all about increasing the area under the boost curve. With a larger diaphragm than the OEM actuator, the WGA has more control authority over the wastegate flap. This makes it harder for exhaust backpressure to blow the wastegate open during spool up and at high RPM, two areas of the boost curve where the factory actuator
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