Designed with commercial vehicles in mind

For over 20 years Tunit has researched and developed for trucks to produce only the best vehicle performance and fuel economy with a focus on engine longevity. Tuning your vehicle with the Tunit Advantage C-24 is easy, it is compact, robust and easy to install with connectors matching the manufacturer’s OEM specification. 

The Advantage C-24 is the first tuning solution designed solely for use with commercial vehicles and it has brought excellent results to a range of vehicles including long haul, tippers, local councils, governments, military and police.

Enhanced performance

By tuning your engine with the Advantage C-24 you can be sure to see huge performance gains, helping you keep your vehicle at peak performance. Getting the job done will be easier with increased torque and BHP whilst saving you 12% more fuel annually. Vehicles with Tunits installed emit 27% less emissions than other vehicles.

Bespoke tuning

Throughout the nation we have a network of dealers based in most areas so you are bound to have access to a dealer near you, should you seek to buy an Advantage C-24.

To ensure your vehicle gains maximum results, we’d recommend getting a bespoke tune through your dealer. With our high customer satisfaction, we are confident that you will drive away satisfied with your new engine performance.


Customer satisfaction is very important to us, we want to deliver a safe and enhanced engine performance, that’s why your Advantage C-24 comes with a five year warranty, meaning it is protected for five years from purchase.

Should anything go wrong we will happily fix your Advantage C-24 or if we can’t we will send you a replacement. For more information read our policy on product warranty here.

If you’d like to know how fitting a Tunit will benefit your vehicle contact us by our site, call us on 01257 274100 or email us at