[BlueFrogPosse]

If you're talking about APR's K04 Turbo Upgrade, it's 300HP.

ABD Racing is coming out with a kit including VF Engineering turbo. RS/S Kit = 300WHP, RS/R=350WHP:

http://www.abdracing.com/home.html

They're a bit pricier than the APR kit, but also more inclusive; you get a new pump, injectors, and with the RS/R kit, pistons too.