




S63R High Flow Racing Downpipes - 2018 – 2023 BMW M5 & M8 F90 F91 F92 F93
Unlock the full potential of your 2019+ BMW F90 M5 and F92 M8 with High Flow Racing Downpipes designed specifically for the S63R engine. These high-performance downpipes are engineered to enhance your BMW's exhaust flow, reduce turbo lag, and significantly improve horsepower and torque. Crafted with precision, these downpipes are perfect for enthusiasts looking to elevate their vehicle’s performance, sound, and overall driving experience.
Key Features:
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High-Flow Design: The High Flow Racing Downpipes are designed to significantly increase the flow of exhaust gases, providing a direct path from the turbochargers to the rest of the exhaust system. This reduces backpressure, resulting in quicker turbo spool, enhanced throttle response, and an increase in overall engine efficiency.
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Increased Horsepower & Torque: By improving exhaust flow and reducing restriction, these downpipes help to unlock additional horsepower and torque, providing noticeable gains in performance. Expect better acceleration, faster turbo spool, and improved top-end power, especially when paired with tuning modifications.
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Enhanced Sound: The high-flow design not only improves performance but also enhances the exhaust note of your BMW F90 M5 or F92 M8. With these downpipes installed, you’ll experience a deeper, more aggressive exhaust tone, making your M5 or M8 stand out even more on the road or track.
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Durable Construction: Built to withstand extreme temperatures and harsh driving conditions, these downpipes are made from high-quality stainless steel or similar heat-resistant materials for long-lasting performance. They are designed to resist corrosion, ensuring durability even under the most demanding driving conditions.
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Optimized for S63R Engine: These downpipes are specifically designed to fit the S63R engine found in the 2019+ BMW F90 M5 and F92 M8, ensuring a perfect fit and optimal performance. The design is tailored to the unique characteristics of the S63R engine, ensuring maximum efficiency and power gains.
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Performance Gains Without Tuning: While tuning will further enhance the benefits of the downpipes, these high-flow racing downpipes can provide substantial performance improvements on their own. Expect faster acceleration, reduced turbo lag, and an overall increase in throttle responsiveness.
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Improved Turbo Efficiency: The reduced restriction from the downpipes allows the turbochargers to spool faster and operate more efficiently, resulting in quicker acceleration and smoother power delivery across the RPM range.
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Legal Considerations: Please note that high-flow downpipes may not be street legal in all regions due to emissions regulations. They are generally intended for off-road or track use, so be sure to check local laws before installation. In some cases, additional modifications such as tuning may be required to prevent check engine lights.
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Easy Installation: The High Flow Racing Downpipes are designed for a relatively straightforward installation, with a direct fitment for the BMW F90 M5 and F92 M8. While some mechanical expertise is required, these downpipes are designed to integrate seamlessly with your vehicle’s existing exhaust system.
Benefits:
- Increased Power and Torque: Experience noticeable gains in horsepower and torque with reduced exhaust restrictions, delivering a more responsive and powerful driving experience.
- Enhanced Sound: Achieve a deeper, more aggressive exhaust note that highlights your BMW’s performance potential.
- Faster Turbo Spool: Improve turbo response and efficiency, reducing lag for quicker acceleration and smoother power delivery.
- Durable & High-Quality Construction: Made from premium materials for long-lasting durability and resistance to extreme temperatures.
- Optimized for S63R Engine: Designed specifically for the 2019+ BMW F90 M5 and F92 M8, ensuring perfect fitment and peak performance.
Upgrade your 2019+ BMW F90 M5 or F92 M8 with the High Flow Racing Downpipes and experience a noticeable improvement in engine performance, turbo efficiency, and exhaust sound. These downpipes are the perfect choice for enthusiasts looking to maximize the power and responsiveness of their S63R engine while enhancing the overall driving experience.
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)