Tunit produce a range of ingenious plugin devices designed to improve the performance and efficiency of diesel engines. Their products have been proven to increase BHP, Torque, reduce harmful emissions by up to 27%, and improve fuel economy on average by 12% in comparison to other Chip Tuning and Remapping options that can double dangerous exhaust emissions. The Tunit range is available online and from our nationwide chain of Outlets. Most of our Outlets will also be able to offer a fitting service for this product.


Tunit advantage fitted to diesel engine
Have your Tunit supplied and fitted by a trained professional!
Toyota RAV4 with Tunit Advantage, improved BHP from 150 to 181. Another happy Tunit customer!
Mercedes SLK 250 CDI with Tunit Advantage, improved BHP from 201 to 233 and torque from 369 lbs/ft to 411 lbs/ft!
Renault Scenic 2.0 DCI with Tunit Advantage, improved BHP from 180 to 211 and torque from 295 lbs/ft to 335 lbs/ft!

Find Your Nearest Tunit Fitting Centre

01467 423431
01233 428561
01293 831544
01592 551612
Great Yarmouth
01493 222240
Isle of Wight
01983 623186
01604 321285
023 9280 9853