The Tunit C-11 is adjusted on installation to meet your vehicle and load needs. Dealer install recommended.

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Superior Performance

The C-11 provides incredible torque just where you need it in any commercial condition. Fuel consumption has been shown to improve across commercial fleets in all sectors

Adjustable Tuning

The Tunit C-11 is adjusted on installation to meet your vehicle and load needs. Dealer install recommended.

Go Eco

The C-11 is used predominantly for better economy. A bespoke tune provides exact adjustments for the best economy while delivering maximum performance.

REVIEWS

Ivan, Saab 9-3 1.9 TiD

Hi Dan, Have left it a while to thoroughly check my findings, and am very pleased - this last tweak, along wih the K & N filter means I am now locally on 44 to 46MPG, on a run 57 to 60MPG, the torque does not seem to be affected for it still accelerates in high gears from 1200RPM, and lots of torque by 1500RPM, but the even more surprising result over two longish but in traffic journeys tugging my 1500kg caravan gave me 36MPG, excellent. All on a tank top fill basis so no computer optimism included! This setting certainly suits the engine. Thanks and regards,

Keith , Vauxhall/Opel Meriva 1.7CDTi

The Meriva is running very sweetly,i'm amazed at the torque this engine has now tuned!!,4 persons+ luggage 5th gear,1,000 rpm 30 mph,take up speed,causing a few BMW Mercs, and the like some surprise. Looking forward to w/end Meals on Wheels. Regards. KG