Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System - VALVED SPORT CATBACK SYSTEM / T304 Stainless / Reuse OEM is backordered and will ship as soon as it is back in stock.
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What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System - VALVED SPORT CATBACK SYSTEM / T304 Stainless / Reuse OEM is backordered and will ship as soon as it is back in stock.
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Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
BMW G16 M850i Gran Coupe / Alpina B8 Valved Exhaust System
Full T304 Stainless Steel System with OEM Valve Integration
Overview
The BMW G16 M850i 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.
Why It Works
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Bespoke Platform Design: Engineered specifically for the G16 M850i and Alpina B8 for perfect fitment and optimized acoustics.
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Full Mandrel-Bent Construction: Maximizes exhaust flow for improved throttle response and power.
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OEM Valve Integration: Retains factory valve functionality for quiet cruising or aggressive sound on demand.
Sound & Control
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Valves Closed: Maintains refined, comfortable tone for daily driving.
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Valves Open: Delivers a deeper, more aggressive note with added volume and character.
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OEM Integration: Controlled via Sport and Sport+ modes—no extra remotes or wiring required.
Construction & Options
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Material: T304 stainless steel for durability and corrosion resistance.
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Weight Savings: 15.7 lb lighter than the factory exhaust.
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Craftsmanship: Precision TIG welds for strength and a high-end finish.
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Tips: Designed to reuse OEM tip outlets for a factory-fit appearance.
Fitment
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2018–2024 BMW G16 M850i Gran Coupe
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2018–2024 Alpina B8
Installation Notes
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Direct replacement for the OEM exhaust system—no cutting or welding required.
What’s Included
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Full T304 stainless steel valved exhaust system
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Integrated OEM-style electronic valves
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All necessary hardware and clamps
Specifications
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Tubing: Full mandrel-bent T304 stainless steel
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Valves: OEM-style electronic valves with factory integration
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Weight Savings: 15.7 lb lighter than OEM
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Tip Compatibility: Designed for OEM outlet reuse
PLEASE EMAIL US AT: CUSTOMERSERVICE@VALVETRONIC.COM WITH ANY QUESTIONS
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