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Superior Performance

The Advantage 3i provides superior performance economy specifically tailored to work exclusively on i-ART engines.

Adjustable Tuning

The Tunit Advantage 3i premium model provides easy adjustment 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. Adjustment dial allows can be adjusted higher for mor power or lower to improve economy.

REVIEWS

Adrian, Mitsubishi L200 DCi Warrior

I would just like to thank and compliment you and Tunit on your service and promt response to all the questions I had ... upon reciveving your product I had it fitted immediatly and was ovewhelmed with the performance increase having allready had the mitubishi power upgrade your product made the vehicle drive better than I could have imagined ... I have and will continue to sing your praises .. and promote the sales of the Tunit product here on the sunny island of Cyprus.

Barry , Renault Megane 1.9 dCi

Easy to fit, easy to adjust & a very different car to drive. Smoother gear changes, pick-up instant, acceleration mid-range incredible. All this & better fuel economy. Thank you.