HJS Tuning Pré-catalisador 78mm Euro5 1.8/2.0 Audi A3 8P TT 8J/Seat Altea 5P Leon 1P/Skoda Octavia 1Z Superb 3T/VW Eos 1F Golf 1K Bora A5 Passat B6 CC

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 e no problem com 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 com our motorsport customers in the last 20 years. HJS is the leading manufacturer of motorsport e tuning catalysts in Europe.