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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

Lee, Citroën C5 2.0 HDi

Hi Daniel, since the fitment of the Tunit V-CR unit to my new Citroen C5 I have noticed a marked increase in fuel economy, performance and refinement. At a steady motorway cruise the average consumption has improved from 40mpg to in excess of 50mpg. Performance has also increased and the added midrange torque makes overtaking swifter and safer. I am delighted with the result, especially as I fitted the Tunnit to enhance performance rather than economy. The added benefit of being able to transfer the tunit to another vehicle in the future is the icing on the cake.

Allen, Audi A6 All Road

Never thought this engine would be smoother than it already was.power has increased and gained 5 more miles per gallon.setting 5.cant praise tunit enough.it does exactly was it says on the tin.this is a 2.5 tdi audi allroad,i will most certainly be recommending your product to my motoring friends.thank you once again.Mr F Sanders Ltd who installed the device was excellant in his customer care...Mr A BEECHEY...