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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.
The Tunit III is adjustable on installation. If the vehicle has a change of use then further adjustments can be made.
The Tunit has provided economy for many years on an array of applications and has been used extensively on Military vehicles.
Christopher ,VW Touran 2.0 TDI 170
I won TUNIT through VW Driver Mag. I have been very impressed with it, especially the way in which it has improved the driveability of my vehicle.
Dave,Kia Sportage 2.0 CRDi
I turned my Advantage up to 6 same as the Sportage you put on test and I have my K&N air filter in. We went to Southport from Wrightington through Mawdesley, then Rufford and Holmeswood. We came back the same way and my MPG was showing 40, an increase of 8mpg.