Tunit Optimum product image close up

We now cover over 9,000 applications, 5000 of them being for petrol vehicles

Feel the Difference

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

We offer a ‘Try before you buy’ for you to feel the difference a Tunit could make.

Adjustable Tuning

The Tunit Optimum is simple to fit through the OBD port.

The standard Optimum come pre-set in one of four performance settings from eco to sport plus.

Spread the cost of your new Tunit

Spread the cost of your new Tunit. We offer a number of finance options over 10, 24 or 36 months to help you spread the cost of purchases.

Go Eco

Using Eco mode on long journeys can make a big difference to your fuel economy.

Try Before You Buy

We offer a ‘Try before You Buy’ to anyone thinking about purchasing a Tunit. Book a time that suits you at a local dealer and take a test drive to feel the difference.