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

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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

K,Mazda CX-7 2.2

Hi Jamie, To date everything is fine with your Tunit module I fitted. We have just been away touring with our caravan and the performance improvements I saw when solo driving are also evident whilst towing. The car is more responsive and pulls cleaner from low rev's, plus I have also seen a reduction in fuel consumption of around 10% whilst towing. 173BHP standard ? 193BHP with tunit. 295FTLBS standard ? 332FTLBS with tunit.

Kevin,New Holland T7070

Supplied a Tunit for my tractor. Huge difference in power and economy. Very helpful over the phone support and back up. Definitely recommend.