GFB Internal Wastegate Actuator for Subaru WRX STI 1999-2021 Vauxhall Astra GTC VXR Always keen to pass on

Always keen to pass on the knowledge gained through motorsport to their road range of vehicles saw them work with AMG to develop fast road variants of their standard range

They make a particularly effective upgrade for older or higher mileage cars where the original factory dampers have worn

🔧 Simple Screw-On Installation – no tools required

2 V6 Sports Exhaust (Cat-back - non-resonated)

Front Splitter VW Golf IV (For 25TH Front Bumper Spoiler)

GFB Internal Wastegate Actuator for Subaru WRX STI 1999-2021 Vauxhall Astra GTC VXR Always keen to pass ondesigned to improve boost control Suits WRX STI 1999 2021 The 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,