




Titanium Valved Cat Back Exhaust System - G8X M2/M3/M4
The Titanium Valved Cat Back Exhaust System designed for the G8X generation of BMW M2, M3, and M4 models embodies the pinnacle of automotive engineering, combining lightweight titanium construction with sophisticated valve technology to enhance both performance and sound dynamics.
Material and Construction: Crafted from aerospace-grade titanium alloy, the exhaust system offers significant weight savings compared to traditional stainless steel systems. This lightweight construction not only reduces the overall weight of the vehicle but also contributes to improved handling and agility, crucial for high-performance driving.
Valve Mechanism: Central to its design, the exhaust system features electronically controlled valves that allow drivers to tailor the exhaust sound and volume to their preference. In 'Sport' or 'Track' modes, the valves open fully, unleashing a powerful and aggressive exhaust note that enhances the driving experience, especially under hard acceleration and high RPMs. In 'Comfort' or 'Eco' modes, the valves remain closed, providing a quieter and more refined exhaust sound suitable for daily driving or highway cruising.
Performance Benefits: Beyond its acoustic advantages, the titanium cat back exhaust system optimizes exhaust gas flow, reducing backpressure and improving engine performance. This enhancement results in increased horsepower and torque throughout the RPM range, delivering sharper throttle response and quicker turbocharger spool-up. The overall effect is a more responsive and engaging driving experience, whether on the street or the track.
Installation and Compatibility: Designed as a direct replacement for the factory exhaust system, installation is typically straightforward and can often be completed without extensive modifications. The system integrates seamlessly with the vehicle's existing exhaust components and electronic systems, ensuring compatibility with onboard sensors and emissions controls.
Aesthetic Appeal: In addition to its performance and acoustic benefits, the titanium construction gives the exhaust system a distinctive appearance, with a natural titanium finish that adds a high-tech, race-inspired look to the rear of the vehicle. Polished exhaust tips further enhance the visual appeal, complementing the aggressive styling of the BMW M2, M3, and M4 models.
Legal Considerations: As with any aftermarket exhaust modification, it's essential to verify local regulations regarding noise and emissions compliance. While the valved design allows for control over exhaust volume, ensuring compliance with local laws ensures trouble-free enjoyment of the exhaust system's benefits without legal concerns.
The Titanium Valved Cat Back Exhaust System for the G8X BMW M2, M3, and M4 models represents the ultimate blend of lightweight construction, advanced valve technology, and enhanced performance. Whether seeking a thrilling auditory experience on the track or a refined sound profile for daily driving, this exhaust system delivers uncompromising performance, distinctive aesthetics, and an exhilarating driving soundtrack that elevates the driving dynamics of BMW's high-performance lineup.
(PLEASE NOTE: DUE TO THE MADE TO ORDER STATUS, ALL OF OUR VALVED EXHAUSTS ARE CANCELLED OR RETURNED. THERE IS AN ESTIMATED WAIT TIME OF 8-14 DAYS TO MAKE THE ITEM AND ABOUT 5-16 DAYS SHIPPING TIME DEPENDING ON YOUR LOCATION.)
We want you to have our parts as quickly as possible. Products that are in stock will be shipped and delivered domestically in 1–5 business days. It will take seven to twenty-one business days for international shipment. An email confirming that your order is being completed will be sent to you once you place it. For in-house orders, please allow a day for processing and the updating of the tracking number. The product page accurately shows the quantity.
Custom steering wheels typically take 20-25 business days for production, with an additional 5-7 business days for shipping. Production and delivery times may vary depending on the complexity of the order and the shipping destination. For more details, please refer to our Shipping Policy.
Our Return Policy permits returns only for products that are found to be defective. You have 30 days from the date of delivery to inspect the product and report any issues.
Regular Cleaning: Maintain carbon fiber parts by cleaning them regularly with a soft cloth and a mixture of mild soap and water. Avoid abrasive or harsh cleaners that could harm the finish.
Use Microfiber Pads and Cloths: Opt for microfiber pads and cloths when cleaning or applying protective coatings to prevent surface scratches.
Protect from Sun and Chemicals: Limit exposure to direct sunlight and harsh chemicals, as they can damage carbon fiber. When possible, use protective covers or park your vehicle in shaded areas.

Why Thousands of Enthusiasts Trust Us
Carbon Industries delivers premium, precision-engineered parts that elevate Vehicle performance and style—backed by expert support and a true passion for the culture. We don’t just sell parts; we fuel the lifestyle.
- Guaranteed Fitment for Your BMW: No guesswork—our parts are designed and tested to fit your exact model perfectly.
- Premium Materials, Always: We use only high-grade carbon fiber, forged metals, and performance-tested components.
- White-Glove Customer Support: Our team of BMW specialists is here to guide you with expert, concierge-level care.
- Trusted by the Elite Vehicle Community: From daily drivers to show builds, our parts are featured on some of the cleanest builds worldwide.

Let customers speak for us
FAQ
Will these parts fit my specific Vehicle model and year?
Yes — every product page includes a “Will This Fit” section to ensure compatibility. If you’re unsure, just send us your VIN or model/year, and our team will confirm fitment for you within 24 hours. We specialize in BMW and European vehicles, so you’re in good hands.
Are these genuine carbon fiber or carbon fiber overlay parts?
We offer only full carbon fiber options. Each listing clearly specifies the construction material. Rest assured, we only source high-quality parts that are durability-tested and made to OEM or better standards.
How long does shipping take and where do you ship from?
Most orders ship from our Irvine, CA warehouse within 1–3 business days. Domestic delivery typically takes 3–7 business days. International shipping times vary by country. Each product page includes real-time shipping estimates based on your location. Certain made to order products will take up to 3-4 weeksfor delivery, including production time.
Do I need professional installation or can I install it myself?
Many of our mods are designed for direct bolt-on installation and can be installed at home with basic tools. However, for certain parts like aero kits or performance components, we recommend professional installation for best results. Each product page includes install difficulty and notes. We offer professional installation at our Santa Clara, CA location.
What if the product doesn’t fit or I change my mind?
No worries — we offer hassle-free returns within 30 days of delivery. If the part doesn’t fit due to an error on our end, we’ll cover the return shipping. For all other returns, we make it easy to exchange or get a refund. See our full Returns & Warranty Policy for details.
Are your parts tested for quality and durability?
Absolutely. All of our products go through quality control checks and are either TUV-certified, ISO-certified, or tested by our in-house team and verified installers. We don’t sell anything we wouldn’t put on our own cars.
Do you offer warranties on your parts?
Yes. Most of our products come with a 90-day limited warranty against manufacturing defects. Some premium items offer extended warranties — details are listed on the product pages. We’re committed to quality and stand behind what we sell.
Can I finance or pay in installments?
Yes — we offer Shop Pay, Affirm, AfterPay, and Klarna at checkout. You can split your purchase into 4 interest-free payments or choose longer-term plans if needed. It’s quick, easy, and won’t affect your credit score (in most cases)