Boysen stands for outstanding products

As a system partner and OEM, we have a day-to-day obligation to some of the world's leading automotive manufacturers. But the highest demands are those we set ourselves. Boysen brand products stand for optimum quality and endurance.

As an exhaust system specialist, Boysen produces manifolds, catalytic converters, particulate filters, silencers, exhaust flaps and trims. Complete exhaust systems for high-quality cars, commercial vehicles and off-highway applications are at the upper end of our technological know-how.

Following technological changes within the automotive industry, we have succeeded in applying our core competencies to other product groups as well. These primarily include battery cases for electric vehicles, which we have been manufacturing in large-scale production at two locations since 2025.

Product milestones

  1. Battery cases made from extruded aluminium profiles

  2. Cell-to-pack battery cases of steel deep-drawn parts · storage systems for gaseous and liquid hydrogen · electric heating disc and burner system for active exhaust gas heat management

  3. Modular exhaust flaps · individual components for motorbike frames

  4. Structural components for e-vehicles

  5. Redox flow battery systems

  6. Serial exhaust systems for heavy duty commercial vehicles and off-highway applications

  7. Gasoline Particulate Filters (GPF)

  8. BASM Boysen Active Sound Modelling

  9. SCR systems for commercial vehicles

  10. Electric exhaust flap

  11. SCR technology

    Denox storage catalytic converter

  12. Trim production

  13. Diesel particulate filter

    Manifold/turbocharger unit with close coupled ceramic catalytic converter

  14. Soldered exhaust manifold

  15. Cartridge catalytic converter with 1,200 cpsi monoliths

    Tailored pipes

  16. Controlled Helmholtz resonator silencer

  17. Turbo manifold

    Silencer with integrated catalytic converter

  18. Stuffed close coupled ceramic catalyst

  19. Close coupled metal catalyst converter

    Air gap insulated diesel manifold

  20. Tube manifold

    Helmholtz resonator

  21. Stuffed cartridge catalytic converter

  22. Series exhaust manifold with air gap technology

  23. Catalytic converter with wire pad embedding

  24. Metal catalyst converters

  25. Baffled silencer

  26. Thermal reactor for rotary piston engines

Development
Testing
Logistics
Production