


BMW M340i/M440i G2X B58 Cen-Cal Valved Stainless Steel Catback Exhaust
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BMW M340i/M440i G2X Cen-Cal Valved Stainless Steel Catback Exhaust – Exceptional Sound and Performance
Upgrade your BMW M340i or M440i with the Cen-Cal Valved Catback Exhaust, crafted from premium stainless steel. Designed for enthusiasts who demand superior sound, quality, and fitment, this exhaust system combines dynamic sound control with a sleek, aggressive aesthetic, all at a competitive price.
Key Features:
1. Valved Muffler System for Customizable Sound:
- Seamlessly switch between quiet and loud modes with the push of a button.
- Includes a controller and all necessary components for hassle-free installation.
2. Premium Stainless Steel Construction:
- Crafted from high-quality stainless steel for exceptional durability and corrosion resistance.
- Engineered to withstand extreme conditions while maintaining superior performance.
3. Customizable Exhaust Tips:
- Choose from a variety of exhaust tip designs to match your BMW’s style.
- Enhance the overall look and feel of your vehicle with a tailored finish.
Fitment:
- 2019+ BMW M340i G20
- 2019+ BMW M340i X Drive
- 2021+ BMW M440i G22
- 2021+ BMW M440i X Drive
Build and Shipping Information:
- Each system is made-to-order, ensuring meticulous attention to detail.
- Build time: 8–14 days.
- Shipping time: 5-7 days, depending on your location.
Please Note:
- This is a custom-made product, and cancellations are not accepted once the order is placed.
Why Choose the BMW M340i/M440i G2X Cen-Cal Valved Catback Exhaust?
The Cen-Cal Valved Catback Exhaust transforms your BMW M340i or M440i into a dynamic powerhouse. With its premium stainless steel construction, customizable exhaust tips, and dynamic sound control, it offers the perfect blend of performance, style, and value. Whether you’re cruising the streets or taking on the track, this exhaust system is engineered to elevate your driving experience.
Order Today – Experience Premium Sound, Style, and Performance!
THIS PRODUCT IS FOR OFFROAD USE ONLY

BMW M340i/M440i G2X B58 Cen-Cal Valved Stainless Steel 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

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 vibes 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.


