The Tunit is an externally installed performance product suitable for all modern diesel engines. Tunit is designed to improve power, torque and efficiency, without compromising fuel economy. In most cases applications will achieve a 7-10% saving on fuel. It is retro-fit and will not interfere with original equipment or the manufacturers warranties. Installation is usually a swift process of less than 30 minutes. Thanks to Tunit, diesel tuning is possible to increase the performance of all modern diesel vehicles by up to 30%.
You may appreciate your diesel vehicle for its fuel economy, but you find it a little lacking in power! Or maybe you just want that bit of extra get up and go. The Tunit has the solution! This innovative and clever device provides a substantial increase in power and torque for the amateur or serious performance user.

What is a Tunit?