Description
Disclaimer: Please allow approximately 1 weeks for lead time on this product.
The Fabspeed Motorsport BMW M8 Primary Sport Catalytic Converter Downpipes (2019+) are a high-performance exhaust upgrade engineered to replace the restrictive factory catalytic converters with free-flowing, motorsport-grade components. Designed for the BMW M8 platform, this system delivers significant improvements in exhaust flow, throttle response, sound, and overall engine performance.
These downpipes are engineered to maximize performance while maintaining emissions-compatible functionality through the use of high-flow 200-cell HJS tri-metallic catalytic converters. The result is a dramatic reduction in exhaust restriction compared to factory components, allowing the twin-turbocharged engine to breathe more efficiently and produce stronger power delivery across the entire RPM range.
Constructed from premium T304L stainless steel, these downpipes are built for durability, corrosion resistance, and long-term reliability under extreme heat and pressure conditions. CNC-machined flanges and laser-cut brackets ensure precise OEM-level fitment, while maintaining compatibility with both factory and aftermarket exhaust systems designed to match OEM specifications.
Each system is fully CAD designed, precision engineered, and manufactured in-house at Fabspeed Motorsport’s facility to ensure consistent quality and optimal performance. The design integrates seamlessly into the factory “hot V” configuration of the BMW M8 engine bay for a direct bolt-on installation with no cutting or welding required.
These sport catalytic downpipes are optimized for maximum performance while minimizing the risk of a check engine light when properly installed and paired with appropriate tuning. The use of HJS motorsport-grade catalyst technology ensures high flow rates while maintaining effective emissions processing compared to traditional high-flow or bypass systems.
This upgrade is designed for enthusiasts seeking a significant performance and sound enhancement while retaining catalytic functionality and improved drivability over cat-delete alternatives.
Key Features
- Fits all 2019+ BMW M8 models
- Replaces restrictive factory catalytic converters
- High-flow 200-cell HJS tri-metallic catalytic converters
- Significant improvements in throttle response and exhaust flow
- Constructed from T304L stainless steel for durability
- CNC-machined flanges and laser-cut brackets for precision fitment
- Direct bolt-on installation with OEM compatibility
- Designed for “hot V” engine configuration
- CAD designed and in-house manufactured
- Compatible with OEM and aftermarket exhaust systems
- Optimized performance with reduced CEL risk when properly tuned
Fitment Information
- 2019+ BMW M8 Coupe
- 2019+ BMW M8 Convertible
- 2019+ BMW M8 Gran Coupe
