Since the company’s foundation in 1987, Diesel Spec Inc. has established a leading position in the field of ECM tuning. We work on heavy trucks, farm machinery, boats and other vehicles equipped with a diesel engine to bring them to a higher level of power and performance.
Up to this day we performed over 40,000 tunings, and counting! For us at Diesel Spec, our mission consists in offering the best quality service possible to our clients worldwide that want to get behind the wheel of an ultra-performance and fuel efficient vehicle.
We’re convinced that our expertise can help you achieve your performance, power and fuel efficiency goals! That’s why all our tuning services come with a 30-day satisfaction or money back guarantee.