




Titanium Valved Muffler Axle Back Exhaust System - Porsche Cayman 718 GT4 RS 4.0L
Elevate the performance and sound of your Porsche Cayman 718 GT4 RS 4.0L with the Titanium Valved Muffler Axle-Back Exhaust System. Engineered for enthusiasts seeking both power and refinement, this premium axle-back exhaust system features a lightweight titanium construction and adjustable valves, delivering a perfect balance of performance enhancement and customizable exhaust note.
Features:
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Premium Titanium Construction: Crafted from high-grade titanium, this exhaust system is significantly lighter than traditional stainless steel options. The reduced weight improves handling and acceleration, contributing to a more dynamic driving experience.
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Valved Muffler Technology: Equipped with advanced valve technology, the exhaust system allows you to control the exhaust tone and volume. Switch between a subtle, refined sound for daily driving and an aggressive, race-inspired roar for spirited driving or track sessions with the push of a button.
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Performance Optimization: Designed to enhance exhaust flow, the system reduces back pressure and improves engine efficiency. This leads to increased horsepower and torque, providing a noticeable boost in performance and throttle response.
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Aggressive Exhaust Note: The titanium construction and valved muffler produce a distinctive and exhilarating exhaust sound. Enjoy a deep, resonant tone that enhances the Porsche 718 GT4 RS’s powerful engine and accentuates the vehicle’s high-performance character.
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Custom Fit for Cayman 718 GT4 RS 4.0L: Engineered specifically for the Cayman 718 GT4 RS 4.0L, this axle-back exhaust system fits seamlessly with the factory mounting points. The precise design ensures a perfect fit, requiring minimal modifications for installation.
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Durable and Corrosion-Resistant: Titanium’s natural resistance to corrosion and high temperatures ensures that the exhaust system maintains its performance and appearance over time, even under extreme driving conditions.
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Enhanced Aesthetic Appeal: The sleek, modern design of the titanium exhaust adds a touch of sophistication and performance-oriented style to your Cayman 718 GT4 RS. The high-quality finish complements the vehicle’s aggressive aesthetics.
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Easy Installation: The exhaust system comes with all necessary hardware and detailed instructions for a straightforward installation. The direct-fit design allows for secure attachment with minimal effort, making it easy to upgrade your exhaust system.
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Track-Ready Performance: Designed for both road and track use, the Titanium Valved Muffler Axle-Back Exhaust System delivers a superior driving experience. The adjustable valves and lightweight construction contribute to exceptional performance and driving enjoyment.
Upgrade your Porsche Cayman 718 GT4 RS 4.0L with the Titanium Valved Muffler Axle-Back Exhaust System to experience a perfect blend of lightweight performance, adjustable sound, and aggressive styling. This premium exhaust system enhances both the performance and auditory experience of your vehicle, making every drive an exhilarating event.
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)