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Superior Performance

The premium Advantage A-24 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 Advantage A-24 premium model provides easy adjustment 0-9 via an external dial or bespoke fine tune 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 A-24 external dial. Move higher or lower to improve economy.


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.

Peter , Landrover Discovery TD5

I tow a trailer weighing about 2 tonnes and also a caravan which weighs approx 1.5 tonnes and since fitting Tunit I find it performs better when overtaking and also climbing long drags on motorways and main roads