The Tunit has provided economy for many years on an array of applications and has been used extensively on Military vehicles.

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Superior Performance

The Tunit III focuses on reducing the lag seen on older diesel engines. Mid-range improved torque makes driving much more of a pleasure bringing benefits in economy also.

Adjustable Tuning

The Tunit III is adjustable on installation. If the vehicle has a change of use then further adjustments can be made.

Go Eco

The Tunit has provided economy for many years on an array of applications and has been used extensively on Military vehicles.

REVIEWS

Richard,VW Golf V 2.0 TDI

After much deliberation of what performance enhancing product I was goin to use to improve my VW Golf GT TDi I am sure I have opted for the correct decision, greatly improved low end torque and noticeable power gains with fuel economy! I am a happy man! And I am still on setting 5, Thanks Tunit!

Jason,Mercedes E350

I've tried a few other types (cheaper and more expensive ones) and this is by far the best. I noticed power gain straight away and have already seen 8mpg improvement on the few short trips I've done. It's easy to adjust to try the different settings and find the one that suits you best which gives you more power to accelerate up to motorway speed quickly and then cruise along using less fuel whilst also allowing safer, much quicker, easier overtakes on country roads too Thank you again for the Advatage 2b