Tunit has been providing solutions for Diesel Performance and Fuel economy since 1998. As traditional low performance sluggish Diesel`s evolved into flag ship performance vehicles so Tunit has developed hand in hand providing ever increasing solutions for a changing market. Service and support is a large factor that is as important now as it was when the company began. Tunit is a stand alone electronic product that can be fitted to all modern diesel Cars, 4x4, Commercials and more. Improved Fuel economy Tunit not only creates a smoother and more efficient engine output for Cars, 4WD and Commercial vehicles but increases Power and torque giving an average fuel saving of up to 12% Tunit has been used extensively worldwide...