The Petrol Package allows adjustment through the Optimum Plus Phone App which actually increases or decreases BHP and torque. The dash control part of the kit controls the delivery of that performanc

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Superior Performance

The Petrol Package provides the best in performance, savings and aftercare. Optimise your petrol engine with outstanding torque and BHP. Average fuel savings of 9%. Maximum control.

Adjustable Tuning

The Petrol Package allows adjustment through the Optimum Plus Phone App which actually increases or decreases BHP and torque. The dash control part of the kit controls the delivery of that performanc

Go Eco

Every driver and every car is different. Although already pre-programmed and pre-set for your car, easy to use controls allow performance to be tailored to suit your driving style.

REVIEWS

Andrew,Ford Ranger 2.5 TD

It is remarkable how much of a power boost the tunit gave my vehicle, when towing it is a delight I don’t know the van is there. I very rarely need to change gear. I have and will continue to recommend Tunit to anyone and everyone I speak to when the opportunity arises. Well impressed with aftersales on every call the service has been excellent. All queries dealt with politely. Staff are very knowledgeable

Quincy ,Renault Megane 1.9 dCi

My main purchase intention was to extract more performance for my car. Tunit provided me this additional performance that I was looking for. Soon after that, I began to see a slight reduction in diesel consumption and this was interesting. I adjusted my driving habits, taking into account the additional performance, and the fuel savings was more regular. It seems that I now have the best of both worlds - performance when I need it most, and low fuel consumption at other times. Tunit was really easy to fit and its adjustable performance levels allowed me to experiment and find the best compromise between drivability, performance and fuel economy.