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.