Since the 2015 Subaru WRX STI is still fresh out of the oven, the aftermarket world hasn't taken the rally-bred machine to the usual STI level, but this doesn't mean things are kept on a leash. Let's ...

Now that the Mitsubishi Evo is no longer among us, the Subaru WRX STI is the only rally-bred Japanese machine that has to fight Europe's rising hot hatches, with the 2016 Ford Focus RS leading that ...

This stock-looking Volkswagen Beetle might still have a flat-four engine sitting in engine bay, but it's far from factory. Underneath the bonnet sits a 350-horsepower turbocharged boxer-four from a ...

Watch this 500+ HP 2007 Subaru Impreza STi during a dyno session, featuring a screamer pipe setup, turbo sounds, and visible exhaust flames. The car is powered by the well known EJ25 turbocharged ...

The 524hp 2007 Subaru Impreza STi hits the dyno with equal-length headers, a screamer pipe and raw EJ25 turbo sound. No music — only boost, revs and pure Subaru aggression.