Exhaust aftertreatment systems for passenger cars
HJS offers a wide range of OE and retrofit exhaust emissions solutions for cars. And there’s one thing you can most definitely be certain of: all of our products are developed and designed to be a perfect fit, both technically and dimensionally, for each individual vehicle model. We apply the very highest quality standards when testing and manufacturing our products. Every City-Filter®, catalytic converter and assembly kit is tailored specifically to the vehicle in which it is to be installed.
Our customers can rely on perfected solutions that guarantee consistently high quality.