034Motorsport Cast Stainless Steel Racing Catalyst (17+ A4/Allroad, 18+ A5)

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SKU: 110103
MPN: 034-105-4043

Product Details

Description

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. This upgrade eliminates the primary flow limitation in the factory exhaust system, allowing you to maximize the potential of your turbocharged engine.

Optimized for increased flow and maximum performance, the Cast Stainless Steel Racing Catalyst features organic geometry and a massive 135mm diameter Euro 3 racing catalytic converter in the factory location. This complete drop-in solution includes an integrated 4-bolt flange at the turbine outlet, integrated oxygen sensor bung after the catalyst, integrated 3-bolt downpipe flange, and a complete gasket/hardware kit to allow for precise fitment and ease of installation. The Cast Stainless Steel Racing Catalyst for B9 Audi A4/A5 & Allroad is constructed from 304 stainless steel and TIG-welded for maximum durability and corrosion resistance.

034Motorsport's Cast Stainless Steel Racing Catalyst was developed entirely in-house on 034Motorsport's Development B9 Audi A4 utilizing the latest in 3D Scanning Technology, CAD Software, and Rapid Prototyping Techniques. Final production units were then tested extensively on multiple enthusiast-owned B9 Audi A4/A5, and Allroad vehicles before release.

Cast Racing Catalyst Featurse

  • Increased Horsepower & Torque Throughout the Powerband (+ 22 HP / + 22 TQ Peak)
  • Quicker Turbocharger Spool & Faster Transient Response (100-200 RPM Quicker Spool)
  • Enhanced Exhaust Note & Turbocharger Sounds
  • Direct, Bolt-In Upgrade for Factory Catalytic Converter
  • Engineered In-House by 034Motorsport's Engineering Team
  • Factory-Location 135mm Euro 3 Racing Catalytic Converter
  • 304 Stainless Steel Construction with Integrated Inlet/Outlet Flanges & O2 Sensor Bung
  • Precision CNC-Machined Flange Mating Surfaces
  • TIG Welded & Backpurged with Sand-Blasted Titanium-Look Finish
034Motorsport Cast Stainless Steel High-Flow Racing Catalyst (HFC) for B9 Audi A4/A5 & Allroad 2.0 TFSI

WHAT'S INCLUDED

  • 034Motorsport Cast Stainless Steel Performance Downpipe
  • Integrated Euro 3 Racing Catalytic Converter
  • Factory Turbocharger Outlet Gasket
  • Factory Catalyst to Downpipe Gasket
  • M10 Locknuts (4)
  • M8 Locknuts (3)
  • M8x30 Studs (3)
  • Installation Guide

034Motorsport B9 Audi 2.0 TFSI Race Catalyst Performance Comparisons

These Performance Comparisons were performed using an in-house 2017 Audi A4 2.0 TFSI with development Performance Software and 91 Octane fuel.

  Factory Catalyst (91 OCTANE) 034 Race Catalyst (91 OCTANE)
Peak Horsepower 280 HP 300 HP
Peak Torque 309 FT-LBS 322 FT-LBS
Peak HP Gains vs. Factory Catalyst   22 HP @ 5,650 RPM
Peak TQ Gains vs. Factory Catalyst   22 FT-LBS @ 2,850 RPM

Factory Catalyst VS. 034 Race Catalyst - 91 Octane

FACTORY CATALYST VS. 034 RACE CATALYST - 91 OCTANE

034 Race Catalyst Power Gains - 91 Octane

034 RACE CATALYST POWER GAINS - 91 OCTANE
 

 

Emissions Disclaimer

  • This product is sold for off-road use only.
  • This racing catalyst requires a Stage 2 ECU remap to eliminate any check engine lights due to removal of the factory catalyst.
  • By purchasing this product, you understand this product is sold for competition use and is not legal for use in highway or street vehicles.
Product Features

  • Increased Horsepower & Torque Throughout the Powerband (+ 22 HP / + 22 TQ Peak)
  • Quicker Turbocharger Spool & Faster Transient Response (100-200 RPM Quicker Spool)
  • Enhanced Exhaust Note & Turbocharger Sounds
  • Direct, Bolt-In Upgrade for Factory Catalytic Converter
  • Engineered In-House by 034Motorsport's Engineering Team
  • Factory-Location 135mm Euro 3 Racing Catalytic Converter
  • 304 Stainless Steel Construction with Integrated Inlet/Outlet Flanges & O2 Sensor Bung
  • Precision CNC-Machined Flange Mating Surfaces
  • TIG Welded & Backpurged with Sand-Blasted Titanium-Look Finish

installation

The installation of your Cast Stainless Steel Racing Catalyst is a relatively complex process that will take approximately one hour to complete.

Downloads

B9 A4/Allroad/A5 Cast Stainless Steel Racing Catalyst

warranty

1 Year Limited Warranty

Warranty on 034Motorsport Products: It is the intention of 034Motorsport to sell only quality products. We offer a 1-year warranty against defects in workmanship or materials, not extending to normal tear and wear or mis-use. You must provide us with a proof of purchase, defect or the result of wear or mis-use. Some products have less than 1-year warranty. Please inquire before ordering.

Return Shipping: 034Motorsport is not responsible for shipping costs associated with warranty claims, the customer is responsible for covering shipping costs to and from 034Motorsport, even in the event that a part is warrantied or deemed defective and replaced. Warranty claims in most cases require parts to be returned to 034Motorsport to be inspected, once we determine the cause of the defect is from manufacturing and not from wear or mis-use, the warranty process can begin. In rare cases we can confirm the warranty claim via picture or video, especially if the failure is a known, documented issue.

Warranty Policy: 034Motorsport will only replace or repair warranty items. No refunds will be given. 034Motorsport or the product manufacturer will inspect or test all products prior to a warranty claim adjustment. This process may take up to 6 weeks. You must obtain an RMA number from either Customer Service or Technical Support prior to any return. All products we offer are warranted to be free from defects prior to installation. Any modification or improper use voids this warranty. This warranty does not cover installation. 034Motorsport shall be the final arbitrator in interpreting the extent and remedy of warranty.

Second-Hand Products: 034Motorsport warranties are not transferrable, and available to the original purchaser only, however if you do buy a 034Motorsport part second hand and have a problem with it, do contact us as we can typically arrive at a reasonable, fair solution.

Our Liability: 034Motorsport, its partners or affiliates shall not be liable for any consequential, incidental and contingent damages arising from, but not limited to, the sale, transportation, installation, use or repair of its products. Customer shall be responsible in selecting a reputable installer with current liability insurance to cover any damage that may arise through installation of 034Motorsport products and/or your vehicle. 034Motorsport's listing and any recommendation of facilities shall not constitute as a ground for any liability. Notwithstanding any other provision of this agreement, 034Motorsport's maximum combined liability shall be limited to the payments made by the facilitator under this agreement for the specific product that caused the alleged damages.

Fitment Guide

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Fitment Guide
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Fitment Guide

Start Year End Year Make Model Submodel Cyl Lit Fuel FuelDel ASP EngDesg Notes
2017 2018 AUDI A4 PREMIUM
PREMIUM PLUS
PRESTIGE
L4 2.0 GAS FI T ALL  
2017 2018 AUDI A4 allroad PREMIUM
PREMIUM PLUS
PRESTIGE
L4 2.0 GAS FI T ALL  
2017 2018 AUDI A4 QUATTRO PREMIUM
PREMIUM PLUS
PRESTIGE
L4 2.0 GAS FI T ALL  
2018 2018 AUDI A5 QUATTRO CABRIOLET PREMIUM
CABRIOLET PREMIUM PLUS
CABRIOLET PRESTIGE
COUPE PREMIUM
COUPE PREMIUM PLUS
COUPE PRESTIGE
SPORTBACK PREMIUM
SPORTBACK PREMIUM PLUS
SPORTBACK PRESTIGE
L4 2.0 GAS FI T ALL  

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