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%

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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.

REVIEWS

Roger,Mercedes E-Class 220CDI

I thought I should write to you having had a Tunit fitted to my Mercedes E-Class 220CDI Estate. I have just completed a 600 mile trip this past week end, and am delighted at the improvement in all-round performance of the car. It is so much smoother, more responsive in the 2500-3000rpm range, and has delivered a significant improvement in mpg. I am what might be described as an enthusiastic driver, and although now 70 years of age show no signs of slowing!!!! Of course, one soon becomes accustomed to the way the car now drives, and easily forgets how it used to be. I am quite honestly surprised, and very pleased at the end result and have no hesitation in recommending this modification to anyone driving a similar vehicle. Thank you for your attention before the purchase, and I am glad to report that the service offered by your Peterborough Distributor was exemplary.

Andrew ,Mitsubishi L200

I have tried this product on the standard setting 5 and i was amazed how much off a different's its mad to the drive off the vehicle. well pleased