S63 Catless Downpipes - 2021+ BMW M5/M8
Unleash the true potential of your 2021+ BMW M5/M8 with our premium S63 Catless Downpipes. Precision-engineered for perfect fitment, these high-performance downpipes are manufactured using T304 stainless steel with professional TIG welding for exceptional durability and performance. Designed specifically for the S63 engine in your F90 M5 or F91/F92/F93 M8, these downpipes eliminate the restrictive factory catalytic converters, resulting in increased horsepower, enhanced torque, and a more aggressive exhaust note that truly unleashes the beast within your BMW.
Key Features:
- Constructed from high-quality T304 stainless steel for maximum durability
- Professional TIG welding ensures leak-free performance and longevity
- Direct bolt-on replacement for factory downpipes - no modifications required
- Significant power gains of 20-30 horsepower and 25-35 ft-lbs of torque
- Deeper, more aggressive exhaust note without excessive drone
- Improved throttle response and reduced turbo lag
- Optimized pipe diameter for maximum flow and performance
- CNC-machined flanges for perfect fitment
- Heat-resistant construction to withstand extreme temperatures
- Complete installation hardware included
- Detailed installation guide provided
- 1 year manufacturer warranty
Technical Specifications:
Material: T304 Stainless Steel with TIG welding Finish: Polished stainless steel Fitment: BMW M5 F90 (2021+), BMW M8 F91/F92/F93 (2021+) Installation: Advanced - Estimated time: 3-4 hours Pipe Diameter: 3" (76mm) Weight: 40% lighter than OEM downpipes Emissions: For off-road/racing use only (not street legal in all areas) Package Includes: Pair of catless downpipes, gaskets, hardware, installation guide
Installation Information:
Installation of these S63 catless downpipes is rated as advanced and typically takes 3-4 hours to complete. Professional installation is recommended due to the complexity of accessing the downpipes in the S63 engine bay. Specialized tools and a vehicle lift are required for proper installation. A detailed installation guide is included with your purchase, and additional installation resources can be found on our blog. Please note that removal of the factory downpipes may require specialized tools to remove factory bolts.
Compatibility:
These S63 catless downpipes are specifically designed for:
- BMW M5 F90 (2021+)
- BMW M8 F91 Convertible (2021+)
- BMW M8 F92 Coupe (2021+)
- BMW M8 F93 Gran Coupe (2021+)
Please note: Not compatible with pre-2021 M5/M8 models or non-M 5/8 Series vehicles. These downpipes are designed specifically for the S63 engine.
Care Instructions:
To maintain the performance and appearance of your S63 catless downpipes, we recommend:
- Allow the exhaust system to cool completely before washing or maintenance
- Periodically check all connections and hardware for proper tightness
- Inspect for any signs of exhaust leaks during routine maintenance
- Clean with mild soap and water when necessary
- Apply a high-temperature resistant polish to maintain the stainless steel finish
- Schedule regular inspections if vehicle is driven in areas with road salt or harsh conditions
Why Choose Our Products:
At Mspec, we specialize in premium performance upgrades for luxury vehicles. Our S63 catless downpipes are designed and manufactured to the highest standards, ensuring perfect fitment, superior quality, and significant performance gains for your BMW M5/M8. All our products undergo rigorous testing to ensure they meet the most demanding standards of quality and durability. Choosing our products guarantees not only impressive performance improvements but also peace of mind thanks to their quality and reliability. Our team of BMW enthusiasts and engineers has developed these downpipes specifically for the S63 engine to maximize performance while maintaining reliability.