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

Peter ,Landrover Discovery TD5

I tow a trailer weighing about 2 tonnes and also a caravan which weighs approx 1.5 tonnes and since fitting Tunit I find it performs better when overtaking and also climbing long drags on motorways and main roads

Dave,Mitsubishi Shogun

I drive an automatic shogun and regularly tow 3t. The auto box/engine work a lot less hard with fewer changes and much better acceleration