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Superior Performance

The C-11 provides incredible torque just where you need it in any commercial condition. Fuel consumption has been shown to improve across commercial fleets in all sectors

Adjustable Tuning

The Tunit C-11 is adjusted on installation to meet your vehicle and load needs. Dealer install recommended.

Go Eco

The C-11 is used predominantly for better economy. A bespoke tune provides exact adjustments for the best economy while delivering maximum performance.

REVIEWS

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)

M.,Audi A4 1.9 TDI-PD

Thanks for all your help on Monday, I didn?t appreciate the difference in my car until yesterday. Getting into it after not driving for 24 hours was a revelation. Cold starting did not produce the usual black smoke, there was no hesitation when moving off form standstill and the throttle response was much quicker with VERY smooth acceleration. So smooth that my wife commented on it. The improvement to torque at low revs means that the car will trickle along in 3rd gear without throttle, even up a slight incline! All in all Tunit is worth every penny.