Dual Mufflers | Dual Valves | Quad Exit | Direct Bolt-On
Engineered for the 3.0T S4 B8 quattro, this GFC Cat-Back Exhaust System delivers a deeper, richer exhaust tone while preserving refined comfort for daily driving. With dual electronic valves, you decide your sound — smooth and quiet when closed, or bold and aggressive when opened.
Dual Electronic Valves
Instant on-demand control over exhaust tone — quiet for cruising, aggressive when you want to be heard.
Dual Muffler Design
Balanced acoustics with reduced cabin drone for everyday drivability.
Quad Exit Setup
Sporty four-tip rear finish that enhances presence and complements the S4’s performance look.
Performance-Tuned Piping
Improved exhaust flow for sharper throttle response and a more engaging sound profile.
Premium Stainless Steel Construction
Durable, corrosion-resistant materials built to last.
Direct Bolt-On Installation
No cutting or welding required — precision fit for the S4 B8 platform.
| Fitment: | 2009–2016 Audi S4 B8 3.0T quattro |
| System Type: | Cat-Back Exhaust |
| Valve System: | Dual Electronic Valves |
| Muffler Setup: | Dual Mufflers |
| Exit Style: | Quad Tips |
| Material: | Stainless Steel |
| Installation: | Direct Bolt-On |
| Warranty: | 3 Years |
We are a 15-year-old factory specializing in manufacturing high-quality automobile exhaust systems and accessories. Our product range includes exhaust manifolds, downpipes, cat-back exhausts, mufflers, electronic valves, exhaust tips, and other auto parts.
☆ Perfect Fit: Manufactured according to the original car’s mounting holes, ensuring 100% installation compatibility.
☆ Experience & Expertise: With over 13 years in exhaust production and sales, we have molds for the most popular models, widely praised by our customers.
☆ Advanced Mufflers: Our factory-developed mufflers provide a silencing effect close to the original exhaust, delivering a comfortable driving experience.
☆ Electronic Valve Control: Equipped with our latest electronically controlled valves, allowing you to adjust the exhaust sound freely.
☆ Reliable Production & Delivery: Independently produced in our factory, with 100% order fulfillment and guaranteed delivery times.
☆ Customized Services: We offer tailored exhaust solutions for various car models according to your needs.
For 15 years, we have specialized in manufacturing, producing, and selling automobile exhaust systems, with thousands of original exhaust models in our database. Our coverage includes brands such as:
Porsche | BMW | Mercedes-Benz | Audi | McLaren | Ferrari | Mitsubishi | Lamborghini | Bentley | Subaru | Aston Martin | Toyota | Volkswagen | Cadillac | Camaro | Dodge | Jaguar | Nissan | Alfa Romeo | Maserati
If you have a specific model and custom requirements, click here to inquire and contact us. We will provide professional solutions tailored to your vehicle.
This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
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