Im in need of you guys help in regards of tuning products , I?ve looked at many & hp tuners is the best from all I?ve read about. I want to start tuning watching videos , researching tunings products wide bands etc , but I wanted to know if you guys could possibly guide me in what products would I need from HP tuners to start tuning. My platforms I?ll mainly be tuning would be gm engines such as Cadillac , Chevrolet , & GMC. Just wanted you guys help to lead me in product knowledge on everything I?d need to start advice you guys wished to know when starting out. Just a young buck wanting to learn how to tune.