I seem to have seen articles on these in US hot-rod magazines, basically they enable you to adjust wastegate (or blow off valve) to regulate the level of boost; useful for competition purposes, I ...

Before beginning any turbocharger installation, a few considerations must be explored to assure that the turbo system will be compatible with the engine and application, and vice versa. So rather than ...

For Subaru WRX and STI enthusiasts, deciding between an internal and external wastegate can be a big step in shaping performance. External wastegates offer more precise boost control, better heat ...

First gear, useless. Second gear? Well, let’s just say you better be holding that steering wheel straight when the boost hits. The noise can only be described as a tearing sound, as the tires just ...

There's more than one way to control boost on a turbocharged car. Some methods are more expensive than the turbo they're designed to control, others cost less than the burrito I had for lunch. There ...