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Superior Performance

Performance is our passion and we work to get more out of your engine. Optimise your diesel engine with outstanding torque and BHP. Average fuel savings of 12%

Adjustable Tuning

The Tunit Standard installed by you or through our dealer network. Adjustable 0-9 to your needs to bespoke tune through our dealer network.

Go Eco

Every driver and every car is different. Choose a setting 0-9, higher or lower to improve economy.


David ,Ford Mondeo TDCI ST

Took it off the Jag & put it on to a 2006 Mondeo TDCi ST, fitted with a K&N Induction kit, on a trip to Manchester at no more than 70 mph on cruise control it returned 62 mpg!!, this was with the A/C on & 3 x passengers in the car, the car is smoother, and the pick-up is just awsome, my tunit was the 1st one fitted to a Jaguar diesel in the UK, and was set up on the rolling road at Chorley by Neil Bromley, It would be nice to find out what the ST is puting out in BHP, very happy with the TUNIT & the back up both from Chorley & the local agent in Newcastle

Roger ,Audi A4 2.0 TDI 170bhp

Needed more mpg and grunt! Ordered tunit, fitted it, smiled!