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HJS is an OEM supplier of

  • Mufflers

  • Catalytic converters

  • Exhaust hardware

  • Diesel processing systems

 

Since 1990, HJS has been raising the bar in the complex field of exhaust gas after treatment.

 

Their innovative environmental protection technologies can be used as original equipment or for

  • retrofitting passenger cars

  • commercial vehicles

  • performance tuning

  • wide range of non-road applications.

 

In addition to systems for spark ignition engines, HJS specializes in diesel engine systems.

 

Whether it is for diesel particulate filters, catalytic converters or nitrogen oxide reduction systems, HJS has the right solution for almost every type of vehicle.