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METAL CATALYZER

[METAL CATALYZER]

For further performance enhancement.

Universal sport type catalytic converter that can be used various level of tuning cars. It is well balanced for high horsepower and high cleaning performance.


  • Target Horsepower 500 - 600PS.
  • It is well balanced for high horsepower and high cleaning performance.
  • Oval and Round types are released for various vehicles.
  • Oval Type can be used for φ85 - φ90 and Round Type can be used for φ115. (Modification is required.)
  • As they are universal type, flanges need to be welded.

HKS METAL CATALYZER (Vehicle Specifed)

Extension + center pipe characteristic (for R35)
  • It will give you a total tuning from the exit of turbo to the center pipe. To balance from both of “exhaust gas cleaning” and “loss of low pressure” that make better boost start and still environment friendly.
  • Stock has 4 catalyzers but HKS Metal Catalyzer has only 2. These 2 catalyzers in the first section did pass the Japanese exhaust regulation and. These 2 instead on 4 catalyzers let you have better performance for exhaust system.
  • We made the extension part of the turbo exit with “Lost-wax casting” method. If the sheet metal working or press working is used, it will have turbulence by the speed of the welding. But HKS catalyzer has no inequality inside and have a smooth flow.

* includeds exhaust gas test certificate.


Extension + FRONT PIPE pipe characteristic (for GRB)
  • Usually if you have a higher output, you will have low purification performance. But HKS catalyzer has both high output capacity and still has high purification performance.
  • HKS catalyzer is 150 cells which make it less pressure for exhaust air thus produce higher output. Also the thickness of the fin to 0.1mm let it have better heat-resisting property.
  • Compared to stock catalyzer, both power and torque of mid RPM performance went up and has stable performance even for the high RPM.

* includeds exhaust gas test certificate.


Characteristics of round type (for CZ4A)
  • We used new design of 300 cell and 150 cell (stock: 600 cell and 400 cell) combination type. Purification capacity is 300 cell level and 150 cell level for pressure and also the size is φ65 (stock: φ60).
  • We have balanced for both the higher output and higher purification. By making it less exhaust pressure for 1st and 2nd, it helps to provide better boost start and have less influence for turbo charger.
  • From year 2005, Japan exhaust regulation became more strict, but our product passed regulation.

* includeds exhaust gas test certificate.


UNIVERSAL METAL CATALYZER

  • Universal sport type catalytic converter that can be used various level of tuning cars. It is well balanced for high horsepower and high cleaning performance. You can set them all types of mufflers. Now it's more easier to have a layout design.

    * Need welding for separate flange setting for a general type.

  • Usually if you have a higher output, you will have low purification performance. But HKS catalyzer has both high output capacity and still has high purification performance.
    HKS catalyzer is 150 cells which make it less pressure for exhaust air thus produce higher output. Also the thickness of the fin to 0.1mm let it have better heat-resisting property.

* Does not includeds exhaust gas test certificate.
* The diameter in φ shown in the list is the thickest part of the muffler.
* Please cheek the link below.