Switch Between Sports +, Sport, Std Or ECO Via App

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Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your petrol engine today for more power, torque and fuel economy.

Adjustable Tuning

The Tunit Optimum Plus is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The Optimum Plus uniquely can be adjusted from your phone Eco to Sport Plus.

Go Eco

Easily switch between Eco, Sport and Sport Plus from your phone. The Optimum Plus provides a unique ability to fine tune to your needs.

REVIEWS

Michael,Vauxhall/Opel Astra 2.0 CDTi Twin

Had a Tunit on my Astra 1.9 150. Does what it says on the tin.

Ken,Range Rover P38

Boost in power and increase in mpg. Getting about 32mpg on a run which I think is very good return. Thinking of having further upgrade.