Overview of our product range

HJS is a leading manufacturer of motor sport catalysts in Europe. Since 1990 HJS has been producing and developing catalysts and exhaust systems for motor sports. The HJS Motorsport and Tuning department cooperates in close connection with the German motor sport federation (DMSB), the Federation international DLŽ of automobiles (FIA) and the vehicle manufacturers.

The unique experiences and further developments guarantees products of highest quality and a competitive ability of the company.