HJS Tuning downpipe for Opel Astra H , Astra G, Zafira B OPC, Zafira A

 76mm stainless steel HJS homologated Tuning downpipe for Opel

200 Zellen Kat. mounting between Cat and front silencer

with Euronorm 4

Sport catalytic converter or 200 cpsi metal catalytic converter

More power, less backpressure!
EOBD compliant – Tested for Euro 3 / Euro 4 / Euro 5 engines
HJS is the leading factory for motorsport and tuning catalysts in Europe. The HJS Tuning Catalysts based on the experience we have made with our motorsport customers in the last 20 years.

With a 200 cpsi matrix we can guarantee the best performance results, you will have more power, less backpressure and no problem with the MOT or EOBD control.

The HJS cones provide the best possible exhaust flow performance through the catalysts.