Tunit C-11


The Tunit Advantage C-11 for heavy commercial trucks, buses and agriculture (early electronic injection) – designed to provide superior torque and BHP to maximise economy. The C-11 provides increased performance and economy whatever the workload.

SKU: aaa22b6271e6 Category:


• Increased BHP
• Increased Torque
• Fuel Savings on average of 12%
• Able to be bespoke tuned to your work
• Professional dealer install available
• 3 Year Product Warranty
• 3 Year Part Exchange or reprogram for your next machine

Additional information



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.


Martin,Mercedes Sprinter 213 CDI

despite the vans size and 130hp engine whilst overtaking, the van frequently outperform's ordinary cars in acceleration

Geoff,Mitsubishi Galant 2.5 i twin tu

I have just fitted an Optimum Plus to my VR4/ Legnum that have an unaccesable ECU - preprogrammed to my car spec, fitted by myself (20th Century man+) in half an hour. BLOODY AWESOME. Highly recommended.