# 034Motorsport Stainless Steel Racing Catalyst Audi > Discover the Stainless Steel Racing Catalyst for Audi B9/S5 - Improve the performance and power of your vehicle with our high performance catalysts. - **Reference** : 034-105-4045 - **Brand** : 034 Motorsport - **Price** : 1932.00 EUR incl. VAT - **Availability** : Backorder, ships from 2026-11-23 - **Delivery to mainland France** : 0.00 EUR, ships within 7 to 7 business day(s), transit 1 to 2 business day(s) - **URL** : https://dynaparts.fr/en/034motorsport-exhausts/221261-034motorsport-stainless-steel-racing-catalyst-audi.html ![034Motorsport Stainless Steel Racing Catalyst Audi](https://dynaparts.fr/403406-large_default/034motorsport-stainless-steel-racing-catalyst-audi.jpg) **Check compatibility** with your vehicle Choose my vehicle 034Motorsport Stainless Steel Racing Catalyst for Audi S4/S5 B9 ![034 Motorsport](https://dynaparts.fr/img/m/125.jpg) [Brand 034 Motorsport](https://dynaparts.fr/en/125_034-motorsport) Reference 034-105-4045 Rating: (0) 1 932,00 € tax incl. ? Available from the manufacturer 24 in stock at factory 1. Order today 2. Preparation at the manufacturer 3. Delivery Wed 25 Nov Estimated delivery to you on 25/11/2026 This lead time is an estimate and may change due to circumstances beyond our control This product is eligible for FREE SHIPPING!\* With this product: 1 932,00 € Free delivery unlocked Delivery country Postcode (optional) 034-105-4045 - 034Motorsport Stainless Steel Racing Catalyst Improve the performance and power of your Audi B9/S5 with the **034Motorsport stainless steel racing catalyst**. This catalyst is designed to replace the restrictive factory catalytic converter. ## Features - **Material**: 304 stainless steel for maximum durability and corrosion resistance - **Optimized construction**: 148 mm diameter Euro 4 catalyst for better airflow - **Increased horsepower and torque**: +21 HP and +33 TQ at full power - **Reduced turbo lag**: Less than 300 RPM for faster flow - **Improved throttle response**: Faster and more precise response - **Sound improved exhaust note**: Sportier and more powerful exhaust note - **Thermal insulation**: OE thermal insulation barrier to minimize heat transferred to the engine compartment ## Compatibility This catalyst is compatible with the following models: - **Audi B9 S4 3.0 TFSI** (2018-2020) - **Audi B9 S5 3.0** **TFSI** (2018-2020) Attention: This product is intended for off-road use only and is not suitable for road-legal vehicles. ## Benefits The **034Motorsport stainless steel racing catalyst** offers a significant improvement over the stock factory catalytic converter thanks to its high-density stainless steel construction. It is designed to reduce the flow restriction of the factory exhaust system, maximize the potential of your turbo engine and provide increased durability. ## Conclusion Optimize the performance and sound of your Audi B9/S5 with the 034Motorsport stainless steel racing catalyst. A reliable and high-performance solution for sports driving enthusiasts. - **Materials:** Steel - **Product Range :** Exhausts - **Exhaust** Sport catalyst - **Engine:** 3.0 TFSI (354 hp) - **Make:** AUDI - **Model:** S5 Coupe (B9) (05/2016 - Present) - **Model:** S4 B9 (05/2016 - Present) Compatible vehicles (5) AUDI (5) ▼ | Model | Engine | Fuel | Displacement | Power | Years | | --- | --- | --- | --- | --- | --- | | A4 B9 (8W2, 8WC) (05/2015 - Aujourd'hui) | S4 TFSI quattro (354 cv) | essence | - | 354 hp | - | | A4 B9 Avant (8W5, 8WD) (08/2015 - Aujourd'hui) | S4 TFSI quattro (354 cv) | essence | - | 354 hp | - | | A5 B9 Coupé (F53, F5P) (06/2016 - Aujourd'hui) | S5 TFSI quattro (354 cv) | essence | - | 354 hp | - | | A5 B9 Décapotable (F57, F5E) (11/2016 - Aujourd'hui) | S5 TFSI quattro (354 cv) | essence | - | 354 hp | - | | A5 B9 Sportback (F5A, F5F) (08/2016 - Aujourd'hui) | S5 TFSI quattro (354 cv) | essence | - | 354 hp | - | #### Related Products ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7054 Available from the manufacturer (6) → 25/11/2026 ### [Res-X 034 motorsport pour B9 SQ5](https://dynaparts.fr/en/034motorsport-exhausts/227686-res-x-034-motorsport-pour-b9-sq5.html) Res-X & X-Pipe Resonator Delete 034Motorsport - Audi SQ5 (B9/B9.5) 737,38 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7056 Available from the manufacturer (24+) → 25/11/2026 ### [Res-X Resonator Delete 034Motorsport for Audi RS5 B9/B9.5 2.9 TFSI](https://dynaparts.fr/en/034motorsport-exhausts/221730-res-x-resonator-delete-034motorsport-for-audi-rs5-b9-b95-29-tfsi.html) 637,56 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-4053 Available from the manufacturer (2) → 25/11/2026 ### [034Motorsport stainless steel racing exhaust pipe for Golf GTI Mk8](https://dynaparts.fr/en/034motorsport-exhausts/227616-034motorsport-stainless-steel-racing-exhaust-pipe-for-golf-gti-mk8.html) 034Motorsport Stainless Steel Racing Downpipe - Volkswagen Golf 8 GTI (MK8) 1 967,42 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7064 Temporarily unavailable ### [Res-X resonator removal, Audi SQ5 3.0T B9/B9.5](https://dynaparts.fr/en/034motorsport-exhausts/227617-res-x-resonator-removal-audi-sq5-30t-b9-b95.html) 034Motorsport Res-X Front Resonator Delete - Audi SQ5 (B9/B9.5) 431,48 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7046 Temporarily unavailable ### [Res-X, MkIII TT-S](https://dynaparts.fr/en/034motorsport-exhausts/221736-product.html) Res-X Resonator Delete for Audi TT/TT-S Quattro 034Motorsport 413,77 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-A014 Available from the manufacturer (8) → 25/11/2026 ### [Res-X 034Motorsport Resonator Delete Kit for Audi C8 RS6/RS7 4.0TT](https://dynaparts.fr/en/034motorsport-exhausts/221381-res-x-034motorsport-resonator-delete-kit-for-audi-c8-rs6-rs7-40tt.html) 034Motorsport Res-X Resonator Delete Kit for Audi C8 RS6/RS7 4.0TT 85,33 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7055 Available from the manufacturer (23) → 25/11/2026 ### [Res-X Resonator Delete, Audi C8 RS6/RS7 034Motorsport](https://dynaparts.fr/en/034motorsport-exhausts/221733-res-x-resonator-delete-audi-c8-rs6-rs7-034motorsport.html) Res-X Resonator Delete for Audi C8 RS6/RS7 4.0TT - 034Motorsport 2 220,19 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7052 Available from the manufacturer (24+) → 25/11/2026 ### [Res-X Resonator Delete - 2019+ Volkswagen GTI](https://dynaparts.fr/en/034motorsport-exhausts/221735-res-x-resonator-delete-2019-volkswagen-gti.html) 338,10 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-7040 Available from the manufacturer (22) → 25/11/2026 ### [Res-X Resonator Delete and X-Pipe, B8/B8.5 Audi S4 3.0 TFSI](https://dynaparts.fr/en/034motorsport-exhausts/221727-res-x-resonator-delete-and-x-pipe-b8b85-audi-s4-30-tfsi.html) Res-X resonator and X-Pipe delete from 034Motorsport (part number 034-105-7040) for Audi S4 B8/B8.5 3.0 TFSI. Stainless steel part, supplied with 2 exhaust clamps. 713,23 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-4051 Available from the manufacturer (9) → 25/11/2026 ### [034Motorsport Stainless Steel Racing Catalyst for BMW F2x/F3x B58](https://dynaparts.fr/en/034motorsport-exhausts/221263-034motorsport-stainless-steel-racing-catalyst-for-bmw-f2x-f3x-b58.html) 1 864,38 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-4022 Available from the manufacturer (13) → 25/11/2026 ### [034Motorsport High Flow Catalyst for Audi A4 B7 2.0T FSI](https://dynaparts.fr/en/034motorsport-exhausts/221267-034motorsport-high-flow-catalyst-for-audi-a4-b7-20t-fsi.html) 776,02 € Rating: (0) ![034 Motorsport](https://dynaparts.fr/img/m/125-fabricant.png) Ref: 034-105-4021 Available from the manufacturer (1) → 25/11/2026 ### [High Flow Racing Catalytic Converter, B5 & B6 Audi A4 1.8T 034Motorsport](https://dynaparts.fr/en/034motorsport-exhausts/221266-high-flow-racing-catalytic-converter-b5-b6-audi-a4-18t-034motorsport.html) 034Motorsport High Performance Sport Catalyst for Audi A4 & Volkswagen Passat 763,14 € Rating: (0) #### Product Review ### Average rating 0.0 0 Review ★★★★★ Excellent 0 ★★★★☆ Good 0 ★★★☆☆ Medium 0 ★★☆☆☆ Poor 0 ★☆☆☆☆ Terrible 0 - Reviews (0) - All reviews (0) - Has image/video (0) - Excellent (0) - Good (0) - Medium (0) - Poor (0) - Terrible (0) - Sort by: Latest - Latest - Oldest - High rating - Low rating - Helpful - Sort by: Latest - Latest - Oldest - Helpful Il n'y a pas d'avis disponibles Write your review. - **Free delivery\*** On orders of €250 or more, or to a pickup point for small parcels (10 g to 250 g) from €13, in mainland France - **Secure payment** Card, PayPal or 2, 3, 4 or 10 instalments with Alma - **Expert advice** [+33 5 35 00 43 59, Monday to Friday](tel:+33535004359) - **Dynaparts rewards** [Loyalty, referral and ambassador program](https://dynaparts.fr/en/content/27-refer-and-earn) - **French company** Based in Pessac (Gironde), team and customer service in France [![Dynaparts](https://dynaparts.fr/img/divers/dynaparts3.png)](https://dynaparts.fr/en/) Specialist in **car performance parts**: exhaust systems, intakes, suspension, EGR delete, engine parts and servicing for Volkswagen, Audi, Seat, Skoda, BMW, MINI, Peugeot, Citroën and Renault. 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