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

Christopher, Volvo XC90 D5

Very happy with my purchase. I bought a reconditioned unit at a great price. I am getting an extra 10mpg now its fitted.

Ronnie , Audi A4 3.0 V6 TDi

Hello Dan, Thanks for your reply,got your instructions in the box actually,dad never mentioned they were in there, therefore managed it no problem,installed in 10 mins- no battery power this time,so saved a job. Done a test drive and was amazing difference,infact i had to brake that hard from around 100 mph,my bl**dy pad wear light is now on! Your costing me a fortune Dan! So on that note.. ive whacked it up to number seven,s*d the expense.