BMW G29 Z4 M40i Valved Sport Exhaust System
BMW G29 Z4 M40i Valved Sport Exhaust System
SKU:BMW.Z4.G29.VSES.BR.BRSH
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BMW Z4 M40i Valved Exhaust System
3.5" Midpipe, Dual 3" Axle-Back, Vacuum Valves
Overview
The Valvetronic Designs Valved Exhaust System for the BMW G29 Z4 M40i is the ultimate upgrade for enthusiasts who demand both performance and versatility. Developed from our extensive R&D on B58-powered platforms—including the Supra and M340i—this system transforms the Z4’s sound and performance, unlocking the true potential of BMW’s celebrated inline-six.
Sound & Control
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Valves Open: A rich, aggressive tone with crisp throttle response, pronounced turbo spool, and motorsport-inspired overrun.
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Valves Closed: A refined, stock-like sound perfect for long cruises or early-morning starts—ideal when you want performance without the attention.
Performance Engineering
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Maximum Flow Design: Single 3.5" midsection transitioning into dual 3" mandrel-bent runs for optimal exhaust scavenging and reduced backpressure.
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Balanced Sound Profile: Tuned for a deep, full-bodied note inspired by our acclaimed B58 Supra and M340i systems.
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Precision Construction: TIG-welded T304 stainless steel for exceptional durability and corrosion resistance.
Fitment
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2017+ BMW G29 Z4 M40i
Features
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Fully mandrel-bent for maximum flow
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Precision TIG welds for high strength
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Built from T304 stainless steel
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Electronic-actuated valves for rapid and reliable operation
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11.1 lbs lighter than the factory exhaust
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Beautiful tips to complement the Z4’s styling
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100% reversible—return to stock at any time
Level of Difficulty
Level of Difficulty
Shipping & Returns
Shipping & Returns
We ship all products from the United States, and use UPS, FedEx, USPS and local couriers.
If you are unhappy with this product, you can return it to us within 30 days for a refund or store credit.
Third Party Disclaimer
Third Party Disclaimer
This product is designed, tested, and manufactured by a third-party vendor. This includes products branded as Speedlogix for marketing purposes. While some items carry the Speedlogix name, it is not produced in-house by Speedlogix. We work closely with our manufacturing partners to ensure products meet our quality standards, but warranty coverage and product performance responsibilities remain with the original manufacturer. For warranty claims, technical support, or product-related issues, please contact our customer service team via Live Chat who will facilitate communication with the manufacturer or provide manufacturer contact information as needed. By purchasing any items branded as Speedlogix, you acknowledge that the product is manufactured by a third party and warranty obligations lie with the original manufacturer.
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