

CatLess High Flow Racing Downpipes w/Heat Sheild - BMW F90 M5
Unleash the true potential of your BMW F90 M5 with Catless High Flow Racing Downpipes equipped with Heat Shield, engineered to deliver uncompromising performance and exhilarating sound. These downpipes are meticulously crafted from high-quality stainless steel to withstand the rigors of high-performance driving while optimizing exhaust gas flow for maximum power gains.
Designed to eliminate the restrictive factory catalytic converters, the Catless High Flow Racing Downpipes significantly reduce back pressure, allowing the twin-turbocharged S63 engine to breathe more freely. This enhancement translates into substantial increases in horsepower and torque across the entire RPM range, delivering exhilarating acceleration and improved throttle response that redefine your driving experience.
The inclusion of a heat shield ensures optimal thermal management, protecting surrounding components from excessive heat while maintaining efficient exhaust gas flow. This feature not only enhances durability but also ensures consistent performance under aggressive driving conditions, whether on the street or the track.
Installation of the Catless High Flow Racing Downpipes is designed for a precise fitment, utilizing factory mounting points and hardware for seamless integration with the BMW F90 M5 exhaust system. Each weld and joint is meticulously executed to ensure durability and reliability, meeting the highest standards of quality craftsmanship.
Enhanced by years of engineering expertise and a commitment to performance excellence, these downpipes are complemented by a raw and aggressive exhaust note that amplifies the sporty character of the F90 M5. The sleek stainless steel finish and heat shield add a touch of refinement, blending seamlessly with the M series' dynamic styling cues.
For enthusiasts seeking to extract maximum performance from their BMW F90 M5 while enhancing its auditory experience, the Catless High Flow Racing Downpipes with Heat Shield represent the ultimate upgrade, combining race-inspired design with uncompromising performance.
Features:
- Adds up to 30hp
- 304 stainless steel
- Boost pressure also increases because the air flows at a higher speed towards the turbine.
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.
