The WGA is a high performance internal wastegate actuator designed to improve boost control on internally wastegated turbos. By using a significantly larger diaphragm area than the OEM actuator, the WGA has more control authority over the wastegate flap, meaning exhaust backpressure cannot override the flap position as easily, resulting in more stable and reliable …
When It Comes To External Wastegates, Some Things You Want Big, Others You Want Small – Like Big Flow, Small Size, Right? GFB Offers A Range That Are Among The Most Compact External Wastegates In Their Class, Being Shorter In Height Than Their Closest Rivals Without Sacrificing Flow. All GFB wastegates feature an investment cast …