As for the t/c issue i have and acquaintance who works for the srt program that will be borrowing my car within a couple of weeks and going through and reprogramming my ecu, hopefully meaning that when he is done when i turn off the t/c it stays off. For front downforce you may want to fab up a front lip kit out of aluminum or titanium, just make it adjustable and you can have all the downforce you need.