Although fans and owners of the WRX STI hoped that Subaru would offer the 2.0-liter turbo flat-four in the STI S209 for North America, the Ebisu-based automaker didn’t make their wish come true. The ...

The 2007 Subaru Impreza STi delivers a fierce EJ25 turbo soundtrack on the dyno with 524HP, equal length headers, and a ...

Japanese oil company ENEOS displays five modified race cars at this year’s SEMA Show, with the Porsche 911 GT3 STI as its most ambitious project. It’s again an engine swap, replacing the iconic ...

When Subaru announced it was bringing an S-series WRX STI to the US for the first time, we wondered what engine would power it. A turbocharged boxer-four, obviously, but the Japan-only S208 used a 2.0 ...

Overboosting. A turbocharged engine's worst nightmare and root of disaster that claimed the life of millions of healthy engines around the world. Rewind the clock back to 2010 when my '05 Subaru ...

Subaru introduced its EJ family of engines way back in 1989, and variants of this mill have continued to be under the hood of Subie's models ever since then. In fact, the 341-horsepower S209 packs a ...

Robert has been an auto enthusiast his entire life. He started working on cars at a young age, learning the basics from his father in the home garage on the weekends. Over the years, he learned as ...