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

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Superior Performance

The Tunit Standard 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 Standard model provides adjustment 0-9 via an internal dial or bespoke fine tun 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 adjustment dial. Move higher or lower to improve economy.

REVIEWS

Frank ,VW Golf 2.0 TDI

Very impressed. I liked it that much I even wrote a review of it in the Volkwagen Driver magazine. April and May issues 2008.

Ken ,Skoda Skoda Octavia VRS 2.

Fitting it was a doddle, took all of 15 seconds. I love it, the midrange throttle response is brilliant. When I fill up the projected distance per tank is shown as 685 miles, where it used to show 590. I've not yet used a full tank so I can't give you definite figures, but it does look encouraging. I have left the device set at factory settings (mark 5). Is there any downside to cranking it up to full power? I suppose the next question would be if there are any benefits to cranking it up?