034 Motorsport Stainless Steel Racing Catalyst for B9/B9.5 Audi SQ5 (2018-2025)
TAG Motorsports is pleased to offer the 034 Motorsport Stainless Steel Racing Catalyst for the B9/B9.5 Audi SQ5.
Product Description:
Optimized for increased flow and maximum performance, the Stainless Steel Racing Catalyst features a massive 148mm diameter Euro4 racing catalytic converter in the factory location. This complete drop-in solution includes an integrated v-band flange at the turbine outlet, an integrated oxygen sensor bung after the catalyst, integrated 3-bolt downpipe flanges, and a complete gasket/hardware kit to allow for precise fitment and ease of installation. The Stainless Steel Racing Catalyst for B9/B9.5 Audi SQ5 is constructed from 304 stainless steel for maximum durability and corrosion resistance, is TIG-welded, and includes an integrated OE-style heat-isolation barrier to minimize exhaust heat transfer into the engine bay.
034Motorsport's Stainless Steel Racing Catalyst was developed entirely in-house on 034Motorsport's Development B9 Audi SQ5, utilizing the latest in 3D Scanning Technology, CAD Software, and Rapid Prototyping Techniques. Final production units were then tested extensively on track in B9 and B9.5 Audi SQ5 vehicles before release.
Features:
- Increased Horsepower & Torque Throughout the Powerband
- Quicker Turbocharger Spool & Faster Transient Response (150-300 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 148mm Euro4 200 Cell Racing Catalytic Converter
- 304 Stainless Steel Construction with Integrated Inlet/Outlet Flanges & O2 Sensor Bung
- Precision CNC-Machined Flange Mating Surfaces
- OE Style Heat Isolation Barrier
- TIG Welded & Backpurged
- Note: Not for Vehicles Equipped with GPF (Gasoline Particulate Filter)
What's Included:
- 034Motorsport Stainless Steel Performance Downpipe
- Integrated Euro 4 Racing Catalytic Converter
- OE Turbocharger Outlet Gasket
- OE Catalyst to Downpipe Gaskets (2)
- Misc. Hardware
034Motorsport part number: 034-105-4058
Fits: 2018-2025 Audi SQ5 (B9/B9.5) 3.0 TFSI
***FOR OFF ROAD USE ONLY - TAG IS NOT LIABLE FOR ANY CITY/STATE/FEDERAL ISSUES CAUSED BY PURCHASING OR INSTALLING THIS PRODUCT***
EMISSIONS NOTICE - NOT CARB LEGAL
This product does not have a California Air Resources Board (CARB) Executive Order (EO) number. Not legal for sale or use in California, or in any state that has adopted California emissions standards, and not legal for use on any pollution-controlled motor vehicle operated on public roads.
Note: For off-road / competition use only, not intended for use on public highways. It is the buyer's responsibility to know and follow the emissions and noise laws where the vehicle is registered and driven.
| SKU | 034-105-4058 |
|---|---|
| Brand | 034 Motorsports |
| Exhaust Tip Size | 90mm |
PROP65 WARNING

PROP 65 WARNING – Products sold by TMS such as lead acid batteries contain lead, which is known to the
state of California to cause cancer and birth defect or other reproductive harm. Safety Data Sheets for
products sold by TMS are available upon request.
For more information go to:
www.p65warnings.ca.gov/fact-sheets/lead-and-lead-compounds
| Many Items Are In-Stock. Up-to 2-4 Weeks for Items Not In-Stock. |
