Semi performance and fuel economy tuning.

At Heavy Diesel Tuner we offer ECU tuning/Plug in modules for most every electronic controlled diesel engine. Our tunes have a variety of features to offer, from increased fuel mileage and power gains to perfromance applications.

This requires removing the ECU and mailing it to our location, our usual turn-around time is 1-2 days depending on our work load. Our goal is to keep your down time to a minimum!

Our plug in units provide select able power increases, but not the option to remove emissions. They only come with the highest quality OEM weather proof connectors and BUILT IN THE U.S.A. quality construction for maximum reliability!

If you have any questions about our products or would like additional information please contact us by email.