Catalysts for motor sport
HJS offers a non-regulated catalyst system for motor sport.

Exhaust systems for motor sport
Complex exhaust systems with integrated catalyst for all motor sport ranges.

Particle filter for motor sport
HJS motor sport particle filter for all diesel engined cars with DMSB Homologation.

Silencers & universal parts
Universal parts and silencers with a pipe diameter of 48 - 76 mm for self construction of exhaust systems.

Tuning catalysts
Catalysts for tuned on road cars with increased engine power.

Kart exhaust systems
Combined catalyst silencer systems for Karts for the application of in- and outdoor courses.

System development
Development and production of complex exhaust systems for motor sport.

Motor Sport-Catalytic Converter Exhaust systems Motor Sport-Particle filter Silencers and Universal Parts Tuning Catalysts Exhaust-Systems for Kart Sport System development