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Performance is our passion and we work to get more out of your engine. Optimise your petrol engine today for more power, torque and fuel economy.
The Tunit Optimum Plus is easy to fit to any petrol vehicle by simply plugging in to the OBD port. The Optimum Plus uniquely can be adjusted from your phone Eco to Sport Plus. Transfer free to any nu
Easily switch between Eco, Sport and Sport Plus from your phone. The Optimum Plus provides a unique ability to fine tune to your needs.
Martin,Seat Leon 1.6
Lovely pictures, anyone who wants mpg, torque and quality for money should choose Tunit!!!, been a customer for 4+ years, quality, service and a product that won't let you down, pays for itself in 12 months on a basis of 15 - 20 K per year. Thanks to the staff at Tunit.
Gary ,Mini Cooper D 1.6
Hi Rik, Just to let you know I`m very happy with the Tunit on the wife?s Cooper D, couldn`t resist a rolling road session with it the other Saturday. It produced 20ft/lbs more torque than Neals Clubman JCW Cooper S (1.6 Turbo petrol), best figures achieved 137bhp and 201ft/lbs. On the road the performance is impressive, we used it to pick up a vehicle from South London the other day and fuel consumption has improved too. Gary Papworth