Freightliner FLSD

Premium Tuning Files is your trustworthy supplier of high-quality custom remapped tuning software files for Freightliner FLSD.

For us, safety is as important as performance, so we only use the highest quality tuning tools and software. Moreover, the optimization of each Freightliner FLSD tuning file is the result of continuous development on our 4 wheel drives Dyno, at Dynatek Belgium, the head office of Premium Tuning Files. 

Our engineers' skills in ECU remapping software are based on more than 20 years of experience. 

Join the Premium Tuning Files community of more than 10.000 satisfied Freightliner customers around the world.

• Highest performances and results
• Respect of the safety margins
• Experts in Freightliner ECU tuning file