• 034Motorsport High Flow Catalytic Converter For B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI - 034-105-4023
  • 034Motorsport High Flow Catalytic Converter For B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI - 034-105-4023
  • 034Motorsport High Flow Catalytic Converter For B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI - 034-105-4023
  • 034Motorsport High Flow Catalytic Converter For B8/B8.5 Audi A4, A5, Q5, Allroad 2.0 TFSI - 034-105-4023

034Motorsport High Flow Catalytic Converter for B8 Audi Platforms

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WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

034Motorsport High-Flow Catalytic Converters are designed to replace the restrictive OE catalytic converter, and allow for quicker spool while increasing horsepower and torque throughout the powerband.

We construct them from stainless steel tubing, and utilize a high-performance 250-cell stainless-steel-matrix cat. They feature CNC machined flanges to prevent warping and expansion, factory-correct exhaust hanger location, and 2 oxygen sensor bungs in the proper locations for the factory sensors. Full 3.5" tubing is used at the turbo outlet, with a smooth transition to 3" after the cat.

The high-flow catalytic converter is a complete drop-in upgrade; will bolt up to any stock/stock-fit turbo and stock/stock-fit exhaust. Professionally assembled in-house, TIG-welded and backpurged.

FEATURES:

  • Stainless Steel Tubing
  • TIG Welded
  • Application-Specific Flanges
  • Factory Oxygen Sensor and Exhaust Hanger Placement
  • Installation Hardware Included!
  • Dyno-Proven Horsepower and Torque Gains!

We've seen gains of over 24WTQ and 27WHP on our dyno on stock turbo tunes.

FITMENT:

  • 2009 - 2016 Audi A4 2.0 TFSI (B8/B8.5)
  • 2008 - 2017 Audi A5 2.0 TFSI (B8/B8.5)
  • 2008 - 2017 Audi Q5 2.0 TFSI (B8/B8.5)
  • 2013 - 2016 Audi Allroad 2.0 TFSI (B8.5)

*** Direct bolt-in for OEM cat-back exhaust, or aftermarket cat-back exhaust systems designed to fit with the OEM catalytic converter. Will fit Quattro and FWD B8/B8.5 Audi A4/A5/Q5/Allroad 2.0 TFSI models equipped with Manual, Tiptronic, or CVT transmissions.

NOTE: Will not fit Right Hand Drive (RHD) or Sportback vehicles.

EMISSIONS DISCLAIMER

  • This product is sold for racing use as well as use on vehicles not registered for on highway use.
  • By purchasing this product, you understand that this product is sold for racing use as well as used on vehicles not registered for on highway use, and that it is not legal for use on highway or street vehicles.
  • This catalytic converter requires a Stage 2 Racing Use Only Remap to eliminate any check engine lights due to removal of the factory catalyst.
Year
Make
Model
Submodel
Engine
2009 - 2016
Audi
A4
Base
1.8
2009 - 2016
Audi
A4
Base
2.0
2009
Audi
A4
Cabriolet
2.0
2015 - 2016
Audi
A4
Premium
2.0
2015 - 2016
Audi
A4
Premium Plus
2.0
2015
Audi
A4
Prestige
2.0
2009 - 2012
Audi
A4 Quattro
Avant
2.0
2009 - 2016
Audi
A4 Quattro
Base
2.0
2013 - 2014
Audi
A4 Quattro
Base
3.0
2009 - 2012
Audi
A4 Quattro
Base
3.2
2009
Audi
A4 Quattro
Cabriolet
2.0
2009
Audi
A4 Quattro
Cabriolet
3.2
2013, 2015 - 2016
Audi
A4 Quattro
Premium
2.0
2013, 2015 - 2016
Audi
A4 Quattro
Premium Plus
2.0
2015
Audi
A4 Quattro
Prestige
2.0
2012 - 2016
Audi
A5
Base
1.8
2011 - 2016
Audi
A5
Base
2.0
2008 - 2010
Audi
A5
Base
3.2
2010 - 2014
Audi
A5
Cabriolet
2.0
2015 - 2016
Audi
A5
S Line
2.0
2015 - 2016
Audi
A5
S Line
3.0
2010 - 2013, 2017
Audi
Q5
Base
2.0
2010 - 2013, 2017
Audi
Q5
Base
3.0
2009 - 2012
Audi
Q5
Base
3.2
2013
Audi
Q5
Hybrid
2.0
2013
Audi
Q5
Hybrid Prestige
2.0
2011 - 2013, 2017
Audi
Q5
Premium
2.0
2009 - 2010
Audi
Q5
Premium
3.2
2011 - 2013, 2017
Audi
Q5
Premium Plus
2.0
2013, 2017
Audi
Q5
Premium Plus
3.0
2009 - 2012
Audi
Q5
Premium Plus
3.2
2013, 2017
Audi
Q5
Prestige
3.0
2009 - 2012
Audi
Q5
Prestige
3.2
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