Front Metallic catalytic converter

Supersprint front pipe with High flow metallic cat by HJS Motorsport, Made in Germany http://www.hjs-tuning.de/en/3/105/0/seite_1/Technics/Sport-Catalytic/sport_catalytic.html

To be fitted with 891201, long tube headers, which replace the OEM primary catalytic converter.
This component replaces the secondary cat, becoming the only one present on the car.
It allows the best performance gain with good pollution reduction.

Included the secondary O2 sensor bung, the wire must be extended.
Not necessary in case of ECU remap or sensor cheater.