The Tunit Advantage A-24 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network to meet your type of work head on.

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Superior Performance

The premium Advantage A-24 provides incredible torque just where you need it. Working in the field and road becomes faster, fuel savings mean less downtime filling up.

Adjustable Tuning

The Tunit Advantage A-24 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network to meet your type of work head on.

Go Eco

Every machine is different. Choose a setting 0-9 from the A-24 external dial. Move higher or lower to improve economy.

REVIEWS

Martin , VW Jetta 2.0 TDI CR 140

Hi Rik, I got the Tunit box this morning as you said and fitted it in ten minutes! Brilliant results, superb fuelling and smooth power delivery. The car really pulls harder in the higher gears and is lovely to drive. I drove a 2000 mile road trip and on average i was getting 54.3 MPG, that is a massive improvement from what i was getting before. Very pleased and your service was top notch. Once again many thanks, a fantastic product. Best Regards, Martin Macqueen.

Andy , Skoda Fabia vRS 130

"I was recently fortunate to receive a telephone call from the Managing Director of Tunit to inform me that I was the winner of a competition they had placed on Facebook. Forever the sceptic, my initial response was that of disbelief, swiftly followed by "ok, I suppose you want my credit card details now, hahaha!" etc. Fortunately, Michael convinced me that I was indeed the winner, and all that was required was that I attend their HQ at Chorley to have the unit fitted to a car of my choice. Forever the gentleman, I decided to have the upgrade on my wifes 70k Fabia vRS 130. So, on an unseasonably cold and (very) windy day i headed along the M1 and M62 to my appointment. The journey, at normal motorway speeds, but with severe side and headwinds, showed on the OBC that I had achieved around 60mpg, which I was very satisfield with; indeed, I wondered how Tunit could fulfil their claims that I would see improved mpg figures after fitment. Upon arrival, I was warmly met by Lisa and Dan (who was to conduct the before-and-after rolling road sessions, and who would fit the unti), and also joined by Michael, the MD. The first order of business was for the Fabia to be put on the rolling road; for those of you who have never seen their own car put on a rolling road, it is a very loud event and not for the faint-hearted! Dan predicted that the engine, in standard form, would probably be near the 150bhp mark, rather than the 130bhp VAG claim; and the rolling road revealed he was absolutley spot on. The Tunit unit was then fitted, and a further rolling road session undertaken; with the unit on the middle setting, the engine produced 176bhp. Yes, thats correct, 176bhp. A test drive came next, accompanied by Dan. Without wishing to wax lyrical, (and may I say I'm not on the payroll of Tunit) the on-road performance is totally transformed; overtaking manoeuvres are completed in a blink of an eye, in-gear acceleration is amazing, and the need to chang