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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

Stewart ,Toyota Hilux 2.5 D-4D

Many thanks for the customer support enquiry. The answer is Yes we managed to fit the device successfully. We have left it on the factory setting 5 and it has transformed the engine. It has improved the fuel burn from cold , the engine smoked a little originally even though it had only covered 20,000 miles. It is noticeably more powerful through the rev range and clearly has more torque than the stock programming. We are very pleased so far and would recommend your product. Kind regards Stewart

Paul,VW Amarok

I had the Tunit for 2weeks now and what a hell of a difference. Lots more power and extra 2 miles to the gallon. Here are some figures from my VW Amarok Auto. Standard: 27-31MPG. Old Tunit V-CR: 28-33 MPG. New Tunit Advantage 2: 30-35 MPG and improving.