2018-2024 BMW G16, M850i 4.4L Catback T304 Stainless Steel Brushed Reuse OEM Tips Valvetronic Designs

The BMW G16 850i Gran Coupe and Alpina B8 deliver incredible performance and refinement-but their stock exhaust note leaves room for excitement. Our Valvetronic Designs Valved Exhaust System is engineered specifically for this platform to enhance presence, sharpen tone, and add measurable performance gains.

This full system bolts directly to the OEM downpipes or can be paired with a free-flow front race pipe setup. Valve operation integrates seamlessly with the factory Sport and Sport+ driving modes, allowing instant sound control from the driver's seat.

As a direct OEM replacement, it installs with no modifications and is guaranteed to deliver a richer, more engaging soundtrack through the entire rev range.

Details:

• Brushed T304 stainless steel
• Full mandrel-bent T304 stainless steel
• OEM-style electronic valves with factory integration
• 15.7 lb lighter than OEM
• Reuses OEM Exhaust Tips

What's Included

• Full T304 stainless steel valved exhaust system
• Integrated OEM-style electronic valves
• All necessary hardware and clamps

Installation Notes

• Direct Bolt on installation cat-back replacement to OEM mounting points

Features and Components

• Bespoke Platform Design: Engineered specifically for the G16 850i and Alpina B8 for perfect fitment and optimized acoustics
• Full Mandrel-Bent Construction: Maximizes exhaust flow for improved throttle response and power
• OEM Valve Integration: Retains factory valve functionality for quiet cruising or aggressive sound on demand

Fits

• 2018-2024 BMW M850i, Alpina B7