2004 Subaru WRX STi dyno 526whp 470 wtq's s366 HD

A friends 2004 WRX STi. EJ257 with CP pistons. Custom twin scroll rotated turbo kit. Borg Warner 66mm turbo (S366). supporting mods for turbo, Custom Front mount intercooler. Open dump wastegates. They dump out the side of the bumper in front of the right front tire. 526whp 470wtq The dyno is a mustang