G90/G99 M5 S68 CenCalMotorsport Stainless Steel Valved Catback Exhaust
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Transform the sound and presence of your S68-powered M5 with the CenCalMotorsport Valved Stainless Steel Catback Exhaust. Engineered for maximum performance and an aggressive tone, this system delivers one of the loudest exhaust notes on the market when the valves are open—yet remains as quiet as stock when closed thanks to our precision valved muffler design. Crafted from premium T304 stainless steel and available with multiple tip options, this system provides the perfect blend of daily comfort and full-throttle excitement.
Product Features
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Valved muffler system – whisper-quiet with valves closed, unbelievably loud and aggressive with valves open
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Constructed from premium T304 stainless steel for long-term durability and high heat resistance
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Multiple exhaust tip options to match your style and build
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Deep, motorsport-inspired tone that brings the S68 V8 to life
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Fully bolt-on design, engineered for precise fitment on the G90/G99 platform
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One of the loudest systems available, perfect for enthusiasts wanting maximum sound and performance
Compatibility
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2025+ BMW G90 M5 (S68)
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2025+ BMW G99 M5 Touring (S68)
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Fits all trims and drivetrain variants
Lead Time
We try to keep these in stock, but due to high demand, lead times may be up to 2.5 weeks.
For current availability, please email: support@cencalmotorsport.com
Installation
Professional installation is strongly recommended to ensure proper alignment and secure fitment.
G90/G99 M5 S68 CenCalMotorsport Stainless Steel Valved Catback Exhaust
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
Buy with confidence
Fitment guarantee
Engineered for your BMW. Guarantee applies with professional installation — if it doesn’t fit, we fix it.
Secure checkout
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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
Cen-Cal Motorsport isn’t just a parts shop, it’s a lifestyle for BMW enthusiasts who crave performance, precision, and style. We’re all about taking your BMW to the next level with premium parts that bring out the beast under the hood while keeping its luxury look on point.
Your BMW isn’t just a car—it’s an experience. Whether you're upgrading for speed, handling, or simply flexing on the road, we’ve got the gear to match your passion.
Why settle for stock? Explore our lineup and see how real quality transforms the drive. Got questions? Hit us up anytime—your ride deserves nothing but the best.
win a single turbo e92 335i
We brought this E92 335i back from the dead — now it’s your chance to take the keys. From the yellow-powdered turbo and short-throw shifter to our full valved catback system, every inch of this build represents what CenCal Motorsport stands for: no halfway builds.
Every purchase of merch or quick entry gets you closer to owning this car. Whether you’re a die-hard BMW enthusiast or just chasing the dream of a true street-built machine — this is your shot.