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Superior Performance

The premium Advantage C-24 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 Advantage C-24 premium model can be adjusted by a Tunit dealer precisely to maximise your economy and meet your type of work head on.

Go Eco

The C-24 is used predominantly for better economy. A bespoke tune provides exact adjustments for the best economy while delivering maximum performance.


Richard, VW Golf V 2.0 TDI

After much deliberation of what performance enhancing product I was goin to use to improve my VW Golf GT TDi I am sure I have opted for the correct decision, greatly improved low end torque and noticeable power gains with fuel economy! I am a happy man! And I am still on setting 5, Thanks Tunit!

Robert, Ford Focus TDCi 115

Ive recently added a tunit V-CR to my Focus TDCI 115 and the results are truly satisfying. With the jumper set to the higest power setting my focus (already well run in) managed 148bhp (121 before) at 3800rpm and 223lb.ft of torque (190 before) at 2200 rpm on a dyno. 0 - 60 has been measured in the dry at 8.3 secs (2 secs quicker than standard) thanks to 7% ish longer gearing courtesy of 17.5" rims, taking 3 gears to do so. Pulls impressively well from 1250 rpm, especially noticable in 4th and 5th gears. Ive backed the jumper off two settings and made do with slightly less power for now and fuel economy really is significantly higher thanks to the substantially stronger high gear pull. I was previously averaging 45mpg over a tank, mostly urban runs of 12 miles or less but including weekly motorway runs of 120 miles. Motorway cruising is easier and smoother (I do not know why) And at 75 mph on good road a truly ridiculous figure of 69.0 mpg showed on my trip computer after 60 miles. A few tanks of fuel later, and without paying too much attention to what my right foot is doing the car easily does 500+ miles on about 48 litres of diesel at about 52 mpg in mixed driving conditions, 7 mpg more than pre-tunit and 2.5 mpg more than ford say the focus on big hoops will do.