Subaru turned its WRX STI into a 600-horsepower monster that eats supercars

A heavily-modified Subaru WRX STI just set a record for sedans at the Nurburgring, the German racetrack that has become a benchmark for performance cars. Its 6:57.5 lap time rivals some elite supercars. The post Subaru turned its WRX STI into a 600-horsepower monster that eats supercars appeared first on Digital Trends.