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Description
034 Cast Stainless Steel Racing Cat | B9 Audi | A4 | A5 | Allroad | 2.0 TFSI034Motorsport 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. Features:
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.
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
- 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)
Fitment:
- 2017 - Present Audi A4 (B9) - 2.0 TFSI
- 2018 - Present Audi A5 (B9) - 2.0 TFSI
- 2017 - Present Audi Allroad (B9) - 2.0 TFSI
Installation Instructions
THIS PRODUCT IS NOT SMOG LEGAL AND WILL NOT PASS CALIFORNIA EMISSIONS. DESIGNED FOR OFF ROAD USE AND RACE CARS ONLY.
Founded in 2005, 034 Motorsport is driven by the passion to bring motorsport-quality performance products and tuning to your Audi and Volkswagen vehicles.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Product Reviews
★★★★★ 5
It’s nice! Love b.tan products
Color: Ultra Dark Bronze
Works well, I had a nice glow after one sit in a tanning bed using it. Nice smell, watery base. Make note that it’s an accelerant as well as a TINT, my hands and feet had some splotching after because I didn’t know that.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great Tanning Oil
Color: Medium Glow
This tanning oil works really great! It’s not too oily and doesn’t clog when you spray! The scent is so good!
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Works great!
Color: Ultra Dark Bronze
This stuff is magical. Goes on dry, not greasy but be careful, no spf so you may burn but what a tan! Also smells of tanning bed spray. Used it at the beach! Incredible!
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Great Natural Tan, Just A Little Tacky
Color: Ultra Dark Bronze
This tanning spray definitely helps give a nice natural-looking tan without looking orange or streaky.
I’ve used it outside in the sun, in the tanning bed, and while floating in the pool, and it worked well in all three situations.
The only downside for me is that it feels very tacky on the skin after applying.
Because of that, I definitely prefer using it while relaxing in the pool since it feels less noticeable there.
Overall, the tan results are really pretty and natural, so I’ll keep using it despite the sticky feeling.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
I’m Tan AF
Color: Ultra Dark Bronze
Couldn’t ask for a better tanning oil. The oil itself and lightweight and more hydrating feeling than greasy. I get a really good color after one use and my skin feels nourished. Smells great too!
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Reviewed in the United States on May 18, 2026