BMW G29 Z4 M40i Valved Sport Exhaust System
BMW G29 Z4 M40i Valved Sport Exhaust System - (4) Brushed Steel (3.5" Outlet) is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
BMW G29 Z4 M40i Valved Sport Exhaust System
BMW G29 Z4 M40i Valved Sport Exhaust System - (4) Brushed Steel (3.5" Outlet) is backordered and will ship as soon as it is back in stock.
Description
Description
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
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: BMW.Z4.G29.VSES.BR.BRSH
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
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