I read review on iRV2 forum
Company info:
"GOT A V10? On a Ford Chassis or Super Duty F-Series / E-Series Welcome to 5 Star Tuning, a family owned business with one goal - to help you get the most performance and efficiency out of your vehicle. Whether you're looking for improved fuel mileage, increased towing capacity and control, or simply Extreme Street Performance, we can help you achieve all of your tuning needs. Nothing is more fulfilling than helping you tune your vehicle exactly like you want it. "
Custom Dynomemeter Chassis Tuning Products and Services - 5 Star Tuning