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  • Standard Tunit

    Tunit Standard

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  • Tunit Advantage 3

    Tunit Advantage 3

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Superior Performance

The premium Advantage 3 provides the best in performance, savings and aftercare for your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Advantage 3 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network for maximum results.

Go Eco

Every driver and every car is different. Choose a setting 0-9 from the Advantage 3 external dial. Move higher or lower to improve economy.


Paul , Vauxhall/Opel Corsa 1.3 CDTi 90ps

Bought a tunit box after having a D**K tuning box and I have to say the tunit box is far superior and I am amazed at how much kick it give the 1.3 CDTi Corsa.

Stephan, Mercedes A-Class

Tunit power pedal is a very good product I have had two in different cars and found them to be very good.