Valvetronic Valved Sport Catback System - Stainless Steel - Reuse OEM Tips (BMW.G16.M850i.VSES.BR) - 2018-2024 BMW G16 M850i Gran Coupe / Alpina B8
The BMW G16 M850i Gran Coupe and Alpina B8 combine luxury, technology, and twin-turbo V8 performance in one incredibly capable platformbut the factory exhaust leaves enthusiasts wanting more emotion and character. The Valvetronic Designs Valved Sport Catback System is engineered to unlock the aggressive tone, sharper response, and engaging sound experience the N63-powered Gran Coupe deserves while maintaining factory-level refinement when cruising.
Designed specifically for the G16 M850i Gran Coupe and Alpina B8 chassis, this full T304 stainless steel catback system delivers a deeper, richer exhaust note with improved volume and enhanced V8 character throughout the rev range. With the valves closed, the system maintains a smooth and refined tone perfect for daily driving and highway cruising. Open the valves in Sport or Sport+ mode and the exhaust transforms into an aggressive, commanding soundtrack with significantly more presence and attitude.
This direct OEM replacement system utilizes fully mandrel-bent stainless steel tubing and precision TIG welds for optimal flow, long-term durability, and exceptional fitment quality. The exhaust integrates seamlessly with the factory electronic valve controls and is designed to reuse the OEM exhaust tip outlets for a clean factory-inspired appearance.
Performance & Construction
The Valvetronic Designs Valved Sport Catback System improves exhaust scavenging and throttle response while reducing overall exhaust weight by approximately 15.7 pounds compared to the factory system. Designed to bolt directly to the OEM downpipes or compatible free-flow front race pipe setups, this system delivers premium sound and performance without compromising drivability or comfort.
- Part Number: BMW.G16.M850i.VSES.BR
- Vehicle Fitment: 2018-2024 BMW G16 M850i Gran Coupe / Alpina B8
- Material: T304 Stainless Steel
- Exhaust Configuration: Full Valved Catback System
- Valve Integration: OEM-Style Electronic Valves
- Factory Sport and Sport+ Mode Compatibility
- Full Mandrel-Bent Construction
- Precision TIG Welded Assembly
- Direct Bolt-On Installation
- No Cutting or Welding Required
- Approximately 15.7 pounds lighter than OEM exhaust
- Compatible with OEM Downpipes or Free-Flow Front Race Pipes
- Designed to Reuse OEM Exhaust Tips
- Includes Hardware and Clamps
Features
- Engineered specifically for the BMW G16 M850i Gran Coupe and Alpina B8 platform
- Constructed from premium T304 stainless steel for long-term durability
- Retains OEM valve functionality through factory drive modes
- Aggressive V8 tone with valves open
- Comfortable and refined sound profile with valves closed
- Mandrel-bent tubing improves exhaust flow and throttle response
- Precision TIG welds provide excellent strength and finish quality
- Direct-fit installation with OEM-style fitment
- 15.7 pound weight savings compared to factory exhaust
- Designed to reuse factory exhaust tip outlets for a clean OEM-plus appearance
- No permanent modifications required during installation
Fitment
- 2018 BMW M850i xDrive Gran Coupe
- 2019 BMW M850i xDrive Gran Coupe
- 2020 BMW M850i xDrive Gran Coupe
- 2021 BMW M850i xDrive Gran Coupe
- 2022 BMW M850i xDrive Gran Coupe
- 2023 BMW M850i xDrive Gran Coupe
- 2024 BMW M850i xDrive Gran Coupe
- 2022 Alpina B8 Gran Coupe
- 2023 Alpina B8 Gran Coupe
- 2024 Alpina B8 Gran Coupe
FAQs
Does this exhaust retain factory valve control?
Yes. The system integrates directly with the OEM valve controls and operates through the factory Sport and Sport+ drive modes.
Will I need aftermarket exhaust tips?
No. This system is specifically designed to reuse the factory OEM exhaust tip outlets for a clean, factory-style appearance.
Why Buy from Beefcake Racing?
Beefcake Racing is trusted by enthusiasts nationwide for premium performance parts, expert technical support, and exceptional customer service. Whether you are building a refined luxury performance sedan or an aggressive street machine, our team is here to help you choose the right upgrades for your platform.
Contact Beefcake Racing today for fitment assistance, package pricing, and product support:
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

