Smit-Tuning's main office is in Arnhem, The Netherlands.

Our products are developed and tested in our laboratory by our engineers, who have been working on the optimization of diesel vehicles since 1984.

We have specialized in diesel optimization because diesel vehicles are the future. Thanks to diesel's economy and constancy, more and more buyers are turning to diesel vehicles. As regards noise emission, diesel vehicles have long been on a par with petrol vehicles. We are very pleased to be able to offer you the opportunity of optimizing your vehicle's fuel consumption and performance by buying one of our products.