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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.


David ,Mitsubishi Shogun Sport

My vehicle was a sluggish mover but with the tunit fitted its a lot more nimble

Phil ,Peugeot 3008

Just to let you know I had my Tunit remapped by Middlesex Tuning London and the throttle response from standstill is more responsive and now have a touch more torque lower down the rev range.. It`s amazing the car manufacturers don`t map these cars like yourselves! Good work to you guys anyway..When I change my car next time I will definately have another Tunit!