is the link to the HV3. The Butt Dyno shows noticeable gains, the ears say there's a difference, and the fuel efficiency math tells of better flow. Couple that with a CAI, and you should be a happy camper.
The gasket kit I bought was from the dealership. Expensive, but I was sure that it was the updated gasket version.
not the greatest of write-ups, but the pics start on this page, follow the link: