034 Motorsport Cast Stainless Steel Racing Catalyst | 034-105-4043

Audi A4 Quattro, A4, A5 Quattro, A5 Sportback, A4 allroad
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P/N: 034-105-4043 034 Motorsport
Cross References:
  • 8W0254252HX
034Motorsport is proud to introduce the all-new Cast Stainless Steel Racing Catalyst for B9 Audi A4/A5 & Allroad models equipped with the longitudinal 2.0 TFSI engine! Designed as a drop-in replacement for the restrictive factory catalytic converter, the Cast 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 034-105-4043 cast stainless steel racing catalyst for Audi B9 A4, A5, and allroad 2.0 TFSI
  • High flow Euro 3 racing catalyst direct replacement upgrade for original equipment catalytic converter to increase performance throughout powerband
  • Up to 22 HP and 22Ft-Lbs TQ increase
  • Manufactured of 304 stainless steel with integrated inlet and outlet flanges and O2 sensor bung
  • Includes (1) 034Motorsport stainless steel performance downpipe with integrated Euro 3 racing catalyst, (1) turbocharger outlet gasket, (1) catalyst to downpipe gasket, (4) M10 locknuts, (3) M8 lock nuts, and (3) M8x30 studs
  • Fits Audi A4 2.0L TFSI 2017-2022, A5 2.0L TFSI 2018-2022, allroad 2.0L TFSI 2017-2022, and Q5 2.0L TFSI 2018-2022
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 Cast 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
17-18 - A4 Premium, Premium Plus, Prestige
17-18 - A4 allroad Premium, Premium Plus, Prestige
17-18 - A4 Quattro Premium, Premium Plus, Prestige
18-18 - A5 Quattro Premium, Premium Plus, Prestige
18-18 - A5 Sportback Premium, Premium Plus, Prestige