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Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Standard installed by you or through our dealer network. Adjustable 0-9 to your needs to bespoke tune through our dealer network.

Go Eco

Every driver and every car is different. Choose a setting 0-9, higher or lower to improve economy.


Anthony, Jeep Grand Cherokee 2.7 C

The Tunit has made the engine run more smoothly

Dave, Mercedes E220D

I liked Tunit because it could be removed due to my new Mercedes being on lease, I have used Tunit before but the performance was a vast improvement on my last experience