Dual Mufflers | Dual Valves | Quad Exit | Direct Bolt-On
Designed specifically for the turbocharged 3.0T S4 B9, this GFC Valved Cat-Back system delivers the perfect balance between refined cruising and raw performance tone.
Open the valves for a deep, aggressive exhaust note that matches the S4’s power. Close them for a smooth, controlled sound ideal for daily driving.
Why You’ll Love It
Fully Functional Valves
Open for aggressive, track-ready sound — close for refined daily driving.
Stainless Steel or Titanium
Choose durable T304 stainless or ultra-lightweight full titanium.
4” Double-Walled Quad Tips
Bold rear-end presence with a clean, premium finish.
3” Performance Piping
Improved exhaust flow for sharper throttle response and stronger tone.
Direct Bolt-On Fitment
No cutting or welding — mounts directly to factory intermediate or J-pipe.
3 Year Warranty
Built for long-term performance and peace of mind.
| Fitment: | 2018 Audi S4 B9 3.0T |
| Material: | SS304 Stainless Steel |
| Valve System: | Electronic Dual Valves |
| Exit Style: | Quad Tips |
| 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.
Leave a Reply
You must be logged in to post a comment.