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Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Standard installed by you or through our dealer network. Adjustable 0-9 to your needs to bespoke tune through our dealer network.

Go Eco

Every driver and every car is different. Choose a setting 0-9, higher or lower to improve economy.

REVIEWS

J.S.,Jeep Cherokee 3.0 V6

Although these are early days I have already been agreeably surprised by the significant improvement in fuel economy registered by the car's onboard computer. Although this was never really a priority in purchasing the device it is certainly a welcome bonus.

I am a very satisfied customer and glad to have been able to find a device which my insurance firm were able to readily accept without increasing my premium too ridiculously, a device which is British instead of German or American, and a device which seems to perform as claimed.

Sefton,Mercedes CLK 320 CDI

1 of 8 units I’ve bought off Mike and the gang at Tunit so I guess I’m a bit of convert to say the least and the fact that I have 8 of these units with a mixture of Petrol and Diesel speaks volumes