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  • Standard Tunit

    Tunit Standard

    £500.00
    Select options
  • Tunit Advantage 3

    Tunit Advantage 3

    £600.00
    Select options

Superior Performance

The premium Advantage 3 provides the best in performance, savings and aftercare for your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Advantage 3 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune through our national dealer network for maximum results.

Go Eco

Every driver and every car is different. Choose a setting 0-9 from the Advantage 3 external dial. Move higher or lower to improve economy.

REVIEWS

Gareth, Nissan D22 Navara

I purchased my Tunit Standard years ago for my D22 Navara. It's 2017 and still working from the day i got it. Without it my fuel bill over the years would of...well..let's not go there, but thanks to the fuel saving capabilities from the little black box i can thankfully say i can buy a beer or two.

Mike, Dodge Nitro 2.8 CRD

Thanks very much got it fitted easily once you had shown me where to plug it. Just done a short school run and WOW was never going to be a fast car due to its power to weight ratio it was woefully underpowered.. It is a big american lump of iron after all. However have wacked the tunit up to 9 and what a difference, it now drives just so much better, I no longer have to floor the throttle to get a response from the automatic box/engine. It is now truely my dream (family 4x4) car.. It now goes as well as it looks. What a truely amazing piece of kit; every diesel engine should have a Tunit ! Thanks again for the phone calls, emails and humouring me.