Up to six levels of boost available for different street/track setups Boost on demand: Press a button for an instant increase in boost Gear-based mapping: Set a different boost level for each gear ...

The blow-off valve hasn't changed all that much in the past decade or so, but its function still remains the same: to discharge compressed air trapped in charged piping when the throttle plate closes, ...

As turbocharging becomes more popular in both factory and aftermarket applications, those of us familiar with naturally aspirated engines might not be fully up to speed on our turbo-plumbing anatomy.

Imagine you're at a stoplight, and a Subaru WRX STI rolls up next to you, with the driver revving the engine. Seems normal right? What if when they revved the engine a duck call started coming from ...