The 2007 Subaru Impreza STi producing over 500HP delivers an aggressive EJ25 boxer engine note with a screamer pipe setup during dyno testing. This video captures full throttle pulls, turbo noises, ...

The Subaru STI S209 is the first time America gets an exclusive S Line Subaru STI. With a bigger turbo, revised intake and exhaust, new tune, and water injection system, the car now puts down 341 ...

CHICHESTER, UK – The Prodrive P25 made its public debut last weekend at the Goodwood Festival of Speed, and while there, Prodrive Chief Engineer Richard Thompson took us through some interesting ...

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 ...