Audi B9 S4/S5 Stainless Steel Valved Exhaust
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Audi S4/S5 B9 CenCal Stainless Steel Valved Exhaust System – Unleash the Sound of Performance
Elevate the auditory and performance experience of your Audi S4 or S5 B9 with CenCal Motorsport’s Stainless Steel Valved Exhaust System. Engineered specifically for the EA839 3.0L V6, this expertly crafted system transforms your car’s exhaust note, delivering a dynamic, powerful sound while enhancing overall performance. Say goodbye to piecing together multiple components—CenCal offers a seamless, all-in-one solution for unmatched convenience and quality.
THIS PRODUCT IS FOR OFFROAD USE ONLY
Key Features:
1. Premium T304 Stainless Steel Construction:
- Built with T304 stainless steel for long-lasting durability, corrosion resistance, and a polished finish.
- 16.4 lbs lighter than the stock exhaust, improving vehicle dynamics and efficiency.
2. Dynamic Valved Sound Control:
- Valves Open: Enjoy an aggressive, assertive exhaust note with thrilling overrun effects.
- Valves Closed: Return to a refined, stock-like tone with zero cabin drone for everyday comfort.
- Includes key fob-controlled electronic valves for easy sound customization on the go.
3. Superior Design for Enhanced Performance:
- Mandrel-bent piping ensures optimal exhaust flow, reducing backpressure and improving throttle response.
- Precision TIG welds provide superior durability and a flawless finish.
4. All-in-One Solution:
- Connects seamlessly to OEM or aftermarket downpipes and extends to premium exhaust tips.
- Eliminates the need for separate catback or resonator systems, simplifying the upgrade process.
5. Nostalgic V8-Inspired Sound:
- Designed to replicate the depth and intensity of the iconic 4.2L V8 found in earlier Audi S4/S5 models.
- Brings back the rich, resonant tones Audi enthusiasts love, now reimagined for the B9 platform.
Fitment:
This valved exhaust system is compatible with:
- 2017–2024 Audi S4 (B9)
- 2018–2024 Audi S5 (B9)
Why Choose the CenCal Stainless Steel Valved Exhaust for Your Audi B9?
The CenCal Valved Exhaust System is the perfect upgrade for Audi B9 S4 and S5 owners who demand superior sound, performance, and convenience. With its all-in-one design, premium materials, and dynamic sound control, this system transforms your driving experience while maintaining OEM compatibility and zero compromises.
Order Today – Redefine Your Audi B9 S4/S5 with the CenCal Stainless Steel Valved Exhaust System!
THIS PRODUCT IS FOR OFFROAD USE ONLY
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders take 24–48 hours to process once placed. Made-to-order items begin production after processing, while in-stock items are prepped, packaged, and ship within 3–4 days from our Oceanside, CA location (please allow extra time for packages to arrive during high-volume periods). Some items may be backordered—if so, we’ll email you with status and options. Freight items such as wheels, exhausts, trunks, and hoods require additional handling time and may ship separately.
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Customer Support
Real BMW-savvy humans here. We’re available Mon–Fri, 10am–5pm PT by email and phone/text for install questions, fitment help, or order updates. Send your year/model/trim (VIN if handy) and we’ll point you to the right parts fast.
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FAQ’s
Quick answers to the most common questions: fitment & compatibility, order changes/cancellations, build & lead times, international shipping & duties, and returns/exchanges. Start there for instant clarity—then reach out if you still need a hand.
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Contact Us
Need help choosing parts or tracking an order? Send an email to our support team, support@cencalmotorsport.com
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Fitment guarantee
Engineered for your BMW. Guarantee applies with professional installation — if it doesn’t fit, we fix it.
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Real Support
Talk to real enthusiasts. Our team answers every email same business day (Mon–Fri, 9AM–5PM PST) so you’re never left hanging when it comes to your build.
About Us
What started as a group of BMW enthusiasts tired of overpriced parts and limited options is now a brand trusted by thousands of owners nationwide.
We designed our own product lines from the ground up and built the production infrastructure to make them happen. No middlemen, no compromises. Just the parts we actually wanted on our own builds.
Now we operate out of Oceanside, California, engineering valved exhaust systems, carbon fiber, forged wheels, front-mount intakes, and more. Everything is designed in-house, tested on real platforms, and stocked locally for fast shipping.
This is just the beginning.