Dual Mufflers | Dual Valves | Quad Exit | Direct Bolt-On
Designed for the turbocharged 3.0T S5 B9, this GFC Valved Cat-Back system enhances your factory sound with a deeper, more commanding tone — without sacrificing daily comfort.
Open the dual valves for a bold, sporty exhaust note with stronger presence. Close them for smooth, refined cruising that keeps cabin comfort intact.
Dual Electronic Valves
Switch between aggressive performance and quiet comfort in seconds.
Dual Muffler Layout
Balanced acoustics with reduced drone for everyday drivability.
Quad Exit Design
Sport-inspired rear styling with precise OEM-style alignment.
Performance-Optimized Flow
Improved exhaust efficiency for sharper throttle response and enhanced turbo sound.
Premium Stainless Steel Construction
Corrosion-resistant and built for long-term durability.
Direct Bolt-On Installation
Engineered specifically for the S5 B9 platform — no cutting or welding required.
| Fitment: | 2018 Audi S5 B9 3.0T |
| System Type: | Valved Cat-Back |
| 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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