This is a 2002 WRX with a complete drivetrain swap from a 2007 STi. The engine is a 2.5 short block which is pushing 24 psi into 547 rwhp and 542 torque. The car was built for 10 second drag run but it is still used as a daily driver.
(video no longer active)
Source: CarDomain blog (no longer active)