Maximize the power and sound of your BMW M5 F90 or BMW M8 F91/F92/F93 with the Untd. Performance Catted Downpipe. Designed for the powerful S63 engine, this high-flow downpipe features a 200-cell high-performance catalytic converter and integrated heat shield for superior durability and performance gains. Crafted from high-quality SS 304 stainless steel, the downpipe is built to withstand the heat and pressure of high-performance applications while providing a noticeable boost in horsepower, turbo response, and exhaust sound.
Key Features:
200-Cell High-Flow Cat for Maximum Performance
The Untd. Performance Catted Downpipe features a 200-cell catalytic converter that enhances exhaust flow while maintaining emissions compliance in regions where allowed. This high-flow cat design reduces exhaust restrictions, allowing your S63 engine to breathe easier, resulting in increased horsepower, torque, and turbo efficiency. Whether on the track or street, you’ll experience improved throttle response and power delivery.
Integrated Heat Shield for Durability
The included heat shield provides added protection for the downpipe and surrounding components. It efficiently manages heat to ensure long-lasting performance, even under high-boost conditions or aggressive driving. The heat shield helps prevent heat soak, protecting your turbocharger and other critical engine components from excessive heat buildup, ensuring reliability during spirited driving.
Enhanced Exhaust Note
Removing factory restrictions and using a high-flow catalytic converter allows for a more aggressive, deeper exhaust tone from your S63 engine. The downpipe delivers a noticeable increase in turbo spool sounds, crackles, and pops, providing a motorsport-inspired exhaust note that enhances the driving experience.
Precision-Crafted SS 304 Stainless Steel
Constructed from high-grade SS 304 stainless steel, this downpipe is designed to withstand extreme temperatures and harsh driving conditions. The robust material ensures durability, resistance to corrosion, and long-term reliability. TIG-welded and CNC-machined for precision, it guarantees a perfect fit and leak-free performance.
Direct Bolt-On Installation
Designed for easy, bolt-on installation, the Untd. Performance Catted Downpipe fits directly onto the factory turbos and exhaust system. No modifications or welding are required—just a quick and hassle-free install to unleash more power and performance from your BMW.
Track-Ready, Street-Friendly Design
While built for high-performance applications, the Untd. Performance Catted Downpipe is designed to be street-friendly, offering an ideal balance between enhanced performance and legal emissions compliance. It’s perfect for enthusiasts who want to extract more power without sacrificing their daily driveability.
Compatibility:
For BMW M5 F90 and BMW M8 F91/F92/F93 owners looking to take their driving experience to the next level, the Untd. Performance Catted Downpipe is the perfect upgrade. Delivering significant performance gains, a more aggressive exhaust note, and a high-quality construction that can withstand the most demanding conditions, this downpipe is the key to unlocking the full potential of your S63 engine.
⚠️ Note: This product is emissions-compliant in some regions, but local regulations should be checked before installation. Designed for high-performance applications—intended for off-road and track use where legal. Please verify compatibility with local laws and regulations.
