HJS Universel Tuning Précatalyseur 89-76mm Euro 6 1.2/1.4/1.8/2.0 Audi A3 8V/Seat Leon 5F/Skoda Octavia 5E/VW Golf 5G

HJS has developed a new generation of tuning catalysts on the base of motorsport catalysts. With a 200 Cpsi matrix HJS guarantees the best results, you will have more power, less backpressure etno problem avec the MOT  ou EOBD control. The HJS cones provide the best possible exhaust flow performance through the catalysts. All HJS Tuning Catalysts based on the experience we have made avec our motorsport customers in the last 20 years. HJS is the leading manufacturer of motorsport ettuning catalysts in Europe.