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Superior Performance

The premium Advantage C-24 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 Advantage C-24 premium model can be adjusted by a Tunit dealer precisely to maximise your economy and meet your type of work head on.

Go Eco

The C-24 is used predominantly for better economy. A bespoke tune provides exact adjustments for the best economy while delivering maximum performance.

REVIEWS

Mark,Range Rover TDV8

Excellent performance. I did not think my engine could improve but it did and now I don`t even feel the horse box on the back

Keith,Volvo

Just wanted to update you with progress. No problems fitting the unit now - quite clear where the little tinker is supposed to reside. Plug fitted in-circuit in about 10 mins then a bit of head scratching on where to position the unit itself. In the end I went for what looks like a redundant plastic bracket at the front of the air filter assembly on nearside (I'm thinking plastic might reduce vibration somewhat) and the cable routes alongside other cables on top of the rad. This also makes it easy to uninstall for service time (I'm a bit paranoid about Volvo dealer whingeing about warranty etc. so I'll take the short time to remove and refit as it's so straightforward). Couldn't resist tweaking the dial from 5 to 6 but won't go beyond that - no need in retrospect. Results: Amazing! Very, very impressed that such a straightforward addition can provide substantive and noticeable all round improvements - without any apparent compromises (are there any?) - specifically: - Engine is much smoother, particularly at idle up to about 1600 rpm which is normal 'about town' traffic; is also smoother at motorway speeds - Noticeable improvement in power/torque at mid- high-range rpm and certainly faster pick up from low revs - there was a considerable 'lag' before that has reduced considerably. It's a different drive. - After just one weekend and about 250 miles of mixed motoring the mpg meter is returning an improvement of +2mpg to normal (now just over 48mpg) - I've not got over this before and I'm certain with some longer runs this is going to be much improved - I'll let you know in a month's time how it's going. End result - very happy for now. What I don't understand is how or why Volvo with all their R&D capability can't deliver this on the car itself? Or is this just 2 years of technology development? Thanks a