Catalysts

The developed HJS motorsport catalyst muffler system provides many advantages. The compact construction permits the installation also in vehicles with little ground clearance. The combination of muffler and catalyst effects a clear weight reduction. The exchangeable catalyst unit guarantees a …

HJS offers a universal non-regulated catalytic converter system with 100 cpsi for motor sport applications. For the different cubic capacity classes of racing vehicles, a corresponding catalytic converter with a specifically adapted catalytic converter volume has been developed. The new …

For all Cup series and standard motorsport cars with exhaust temperature not over 950 degrees centigrade, HJS offers a special 100 cpsi catalyst which combines the high quality of HJS products with a best price calculation. The target group are production-based F / Gr. N / R (non-turbocharged) …

Ultra-light catalytic converter reduces weight by up to 30%: With the new ultra-light metal support it was possible to reduce the HJS FIA homologated catalyst’s overall weight by up to 30%. The thickness of the catalyst casing can be reduced from 1.5 to 0.5 mm by use of the new …

HJS offers a comprehensive range of approved tuning downpipes. The vehicle-specific stainless steel catalysts can be combined with standard-production and tuning exhaust systems from many different manufacturers. HJS’s 200 cpsi tuning catalysts optimise the car’s performance while …