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Stainless Steel Racing Catalyst, B9 Audi S4/S5

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  • Stainless Steel Racing Catalyst, B9 Audi S4/S5
  • Stainless Steel Racing Catalyst, B9 Audi S4/S5 Catalyst View
  • Stainless Steel Racing Catalyst, B9 Audi S4/S5 Angle View
  • Stainless Steel Racing Catalyst, B9 Audi S4/S5 Dyno Chart
  • Stainless Steel Racing Catalyst, B9 Audi S4/S5 Power Gains
Stainless Steel Racing Catalyst, B9 Audi S4/S5

Regular Price: $1,595.00

Special Price $1,467.40

Availability: Order Online!



SKU: 034-105-4045
Manufacturer: 034Motorsport

The 034Motorsport Stainless Steel Racing Catalyst for B9 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note.

Emissions Disclaimer

  • This product is sold for off-road use only.

  • By purchasing this product, you understand this product is sold for competition use and is not legal for use in highway or street vehicles.

  • This product will cause a check engine light (MIL) on the stock factory tuning. A racing ECU calibration for offroad use only is required to eliminate the check engine light.



Installation Effort: MEDIUM

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Regular Price: $1,595.00

Special Price $1,467.40