034 Motorsport Stainless Steel Racing Catalyst | 034-105-4045

Audi S4, S5, S5 Sportback
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Make Sure It Fits

P/N: 034-105-4045 034 Motorsport

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.

Part Features

  • 034Motorsport 034-105-4045 stainless steel racing catalyst for B9 Audi S4 and S5
  • Drop in stainless steel high flow catalytic converter to increase horsepower and torque throughout powerband, reduce turbo lag time, increase throttle response, and enhance exhaust sound
  • Provides 21 HP increase at 5680 RPM and 33FT-LBS TQ increase at 2525 RPM
  • Manufactured of 304 stainless steel for prolonged life with factory style bung for O2 sensor installation
  • Includes (1)integrated Euro 4 racing catalytic converters, (1) 034 Motorsport stainless steel performance downpipe, (1) turbo outlet gasket, (2) catalyst to downpipe gaskets, (6) M8 lock nuts, (4) M8x30 cap screws, (4) M8 washers
  • Fits Audi S4 3.0L TFSI V6 2018-2022 and S5 3.0L TFSI V6 2018-2022
  • For track use only, not legal for emissions controlled highway and street vehicles


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.
Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Proposition 65 Warning WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm.  For more information go to www.P65Warnings.ca.gov.

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What This 034 Motorsport Stainless Steel Racing Catalyst Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Audi
18-20 - S4 Premium, Premium Plus, Premium Plus AWD, Prestige, Prestige AWD
18-20 - S5 Premium, Premium Plus, Premium Plus AWD, Prestige, Prestige AWD
18-20 - S5 Sportback Premium, Premium Plus, Premium Plus AWD, Prestige, Prestige AWD