Petrol
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Tunit Optimum
£248.33 Select options -
Tunit Optimum Plus
£357.50 Select options -
Tunit Optimum
£248.33 Select options -
Tunit Optimum Plus
£357.50 Select options -
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Tunit Optimum Plus
£245.83 Add to basket
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
Ben, Nissan Pathfinder 2.5 dCI
Prior to fitting, the Nissan was returning an average of 37 mpg which is somewhat more than the Nissan figures, but I put that down to the area I live in, not much traffic or traffic lights. Since fitting, it is now doing over 41mpg, even with a trailer on, and the pull from 2500 rpm is terrific. It was not bad before.
Ken, Peugeot Boxer 2.8 HDi
I have just completed my first round trip and covered approximately 700mile with the Tunit VCR unit fitted on a standard setting, and I have to say WOW what a difference. The ‘pick up’ power from standing start is so much better. The cruising speed is definitely quieter and smoother, with less pressure on the accelerator, and the engine is more responsive for overtaking moves, and hill inclines. I haven't yet calculated the fuel saving, but hey, that will come later. I am very impressed and will keep you posted when I’m ready to update or upgrade. Next trip coming up is a Scotland run next week of around 1,200 miles. (can’t wait)