Used. It works and a good buy for someone who wants a modest, safe boost in performance. $175 plus shipping OBO.
"The Turbo Tuner 2 is a more advanced version of Split Secondís popular Turbo Tuner, a plug-and-play solution that significantly enhances performance. Typical gains of the Turbo Tuner 2 are 40 horsepower and 50 ft-lbs of torque
as measured at the wheels. The Turbo Tuner 2 is easily installed by users. It has an internal boost control setting that allows the user to adjust the boost increase from zero to 4 psi over stock."
Click on link to find articles on the tuner along with installation instructions.