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Original Catalytic Converter - Upgrade

Original Ceramic Catalytic Converter in exchange fitted with CARGRAPHIC / HJS Metal Sport Catalytic Converter for
- Porsche 911 1975-89 G-model, all models
In Exchange / Deposit € 250,-

on request

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Product description:
Conversion of the original Ceramic Catalytic Converter to CARGRAPHIC / HJS metal Sport Catalytic Converter

Consisting of:
  • Original catalytic converter, used in perfect condition
  • CARGRAPHIC / HJS 200cpsi Ø110mm metal sport catalytic converter welded into OE Housing , Sandblasted and Thermopainted
NO DRONE OR RESONATION even with further CARGRAPHIC exhaust components

Fits for:
  • Porsche 911 G-model 1975-89, all models
  • High performance components, dyno tested
  • Reduced backpressure due to freer flowing
  • Reduced operating temperature
  • Improved enhanced acoustics with no drone, resonation or vibration
  • Maximized performance
  • Weight reduction
PERFORMANCE - Made in Germany
up to 6KW(8PS) more Power and 10Nm additional torque


The sale is on exchange base only. The deposit fee is 250,- EUR. Only original Porsche 911 G-model catalytic converters in undamaged
condition can be exchanged.

Fitting Service:

Benefit from our fitting service in our modern and hightech workshop. A team of qualified, experienced technicians fulfill all your needs with due skill, care and diligence.