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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

Roger,Mercedes E-Class 220CDI

I thought I should write to you having had a Tunit fitted to my Mercedes E-Class 220CDI Estate. I have just completed a 600 mile trip this past week end, and am delighted at the improvement in all-round performance of the car. It is so much smoother, more responsive in the 2500-3000rpm range, and has delivered a significant improvement in mpg. I am what might be described as an enthusiastic driver, and although now 70 years of age show no signs of slowing!!!! Of course, one soon becomes accustomed to the way the car now drives, and easily forgets how it used to be. I am quite honestly surprised, and very pleased at the end result and have no hesitation in recommending this modification to anyone driving a similar vehicle. Thank you for your attention before the purchase, and I am glad to report that the service offered by your Peterborough Distributor was exemplary.

Graham ,Audi Q7 3.0 TDI V6

The Tunit fitted and working well. Additional power great but now getting 33 mpg versus the 25 mpg that I was getting. I originally left the setting at the default 5 and was getting about 29mpg, I thought by moving to 7, I would have increased power but reduced mpg, however the opposite has happened. I fitted the unit myself in the end, it was very simple to do.