Description
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Unlock the true performance and sound of your Audi with the German Car Accessories performance downpipe, designed specifically for the 2017+ Audi S4 and S5 B9/B9.5 platforms. Engineered for the 3.0L Turbo V6 engine, this upgrade improves exhaust flow, reduces back pressure, and enhances both power delivery and exhaust tone.
This downpipe is built for enthusiasts seeking sharper throttle response, improved turbo efficiency, and a more aggressive driving experience. Whether paired with a mild tune or a full performance setup, it serves as a key upgrade for extracting more from the factory turbocharged engine.
Manufactured from high-grade T304 stainless steel, this downpipe offers excellent heat resistance, durability, and long-term reliability. Precision TIG welding ensures structural strength and clean flow characteristics, while maintaining a direct bolt-on design for straightforward installation.
Developed under the GCA Performance line, this component is designed to provide performance gains without compromising daily drivability. It delivers a noticeable improvement in exhaust flow while maintaining a clean, rattle-free fitment.
Features
- Performance downpipe for Audi S4 and S5 B9/B9.5
- Fits 2017+ Audi 3.0L V6 Turbo engines
- Improves exhaust flow and reduces back pressure
- Enhances throttle response and turbo efficiency
- Produces a more aggressive exhaust tone
- High-grade T304 stainless steel construction
- Precision TIG welded for strength and durability
- Direct bolt-on installation (no cutting required)
- Designed for OEM-style fitment and reliability
- Fully reversible to stock configuration
- Backed by a 1-Year Warranty
Specifications
| Specification | Details |
|---|---|
| Product Type | Performance Downpipe |
| Vehicle Fitment | Audi S4 / S5 B9 / B9.5 |
| Model Years | 2017–2025 |
| Engine | 3.0L V6 Turbo |
| Material | T304 Stainless Steel |
| Construction | TIG Welded |
| Installation | Bolt-On |
| Modification Required | No |
| Warranty | 1 Year |
Vehicle Fitment
Audi S4 B9 / B9.5
- 2017 Audi S4
- 2018 Audi S4
- 2019 Audi S4
- 2020 Audi S4
- 2021 Audi S4
- 2022 Audi S4
- 2023 Audi S4
- 2024 Audi S4
- 2025 Audi S4
Audi S5 B9 / B9.5
- 2017 Audi S5
- 2018 Audi S5
- 2019 Audi S5
- 2020 Audi S5
- 2021 Audi S5
- 2022 Audi S5
- 2023 Audi S5
- 2024 Audi S5
- 2025 Audi S5
Why Upgrade to a Downpipe?
A performance downpipe is one of the most effective bolt-on upgrades for turbocharged engines. By reducing exhaust restriction, it allows the turbo to spool more efficiently, improving both power delivery and overall engine responsiveness.
Why Choose GCA Performance?
GCA Performance focuses on delivering precision-engineered automotive upgrades designed for OEM-level fitment, durability, and real performance gains. Each product is built to enhance both driving experience and long-term reliability.
