HJS Advantages of ECE Tuning Downpipe

  • Euro 4/5/6/6d ECE Approval
  • performance optimize
  • sporty sound
  • EOBD compatible
  • 200/300 cpsi
  • stainless steel catalyst
  • optimised gas flow
  • HD-Design / HF-Design / TS-Design

Foil structure Tuning Catalysts

HF-Design

  • double foil winding
  • two winding centers
  • high durability and strength
  • HJS tuning catalyst form EURO 3 on

HD-Design

  • triple foil winding
  • three winding centers
  • high durability and strength
  • HJS tuning catalyst form EURO 4 on

TS-Design

  • double foil winding
  • two winding centers
  • turbolence generating profiles
  • optimized efficiency
  • high durability and strength
  • HJS tuning catalyst from EURO 5 on

Less Backpressure, more Power

The diagram shows the result of an exhaust back pressure comparison measurement between a 400 cell original catalyst and a 200 cell HJS tuning catalyst. Test vehicle was a Mitsubishi Lancer Evolution X with a 1998 cm3 turbocharged engine with 295 HP and Euro 4 emission standard. By reducing the number of cells and the catalysts size while optimizing gas flow, a 60% reduction in exhaust back pressure compared to the original part could be achieved. The turbocharger performance could be improved by 8HP and 12Nm torque.

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