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  • Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
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Alpina B8 / BMW G16 M850i Valved Sport Exhaust System

Valvetronic Designs
BMW.G16.M850i.VSES.BR
In stock
$3,999.99
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 Bespoke Platform Design: Engineered specifically for the G16 M850i 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. Sound & Control Valves Closed: Maintains refined, comfortable tone for daily driving. Valves Open: Delivers a deeper, more aggressive note with added volume...
Alpina B8 / BMW G16 M850i Valved Sport Exhaust System
VALVED SPORT CATBACK SYSTEM / T304 Stainless / Reuse OEM - $3,999.99
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

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

  • Bespoke Platform Design: Engineered specifically for the G16 M850i 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.

Sound & Control

  • Valves Closed: Maintains refined, comfortable tone for daily driving.

  • Valves Open: Delivers a deeper, more aggressive note with added volume and character.

  • OEM Integration: Controlled via Sport and Sport+ modes—no extra remotes or wiring required.

Construction & Options

  • Material: T304 stainless steel for durability and corrosion resistance.

  • Weight Savings: 15.7 lb lighter than the factory exhaust.

  • Craftsmanship: Precision TIG welds for strength and a high-end finish.

  • Tips: Designed to reuse OEM tip outlets for a factory-fit appearance.

Fitment

  • 2018–2024 BMW G16 M850i Gran Coupe

  • 2018–2024 Alpina B8

Installation Notes

  • Direct replacement for the OEM exhaust system—no cutting or welding required.

What’s Included

  • Full T304 stainless steel valved exhaust system

  • Integrated OEM-style electronic valves

  • All necessary hardware and clamps

Specifications

  • Tubing: Full mandrel-bent T304 stainless steel

  • Valves: OEM-style electronic valves with factory integration

  • Weight Savings: 15.7 lb lighter than OEM

  • Tip Compatibility: Designed for OEM outlet reuse

PLEASE EMAIL US AT: CUSTOMERSERVICE@VALVETRONIC.COM WITH ANY QUESTIONS

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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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