Valvetronic Designs BMW G29 Z4 M40i Valved Sport Exhaust System
or as low as $233.25/mo with Affirm
Available
VALVETRONIC DESIGNS
Valvetronic Designs BMW G29 Z4 M40i Valved Sport Exhaust System
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
-
Valves Open: A rich, aggressive tone with crisp throttle response, pronounced turbo spool, and motorsport-inspired overrun.
-
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
-
Maximum Flow Design: Single 3.5" midsection transitioning into dual 3" mandrel-bent runs for optimal exhaust scavenging and reduced backpressure.
-
Balanced Sound Profile: Tuned for a deep, full-bodied note inspired by our acclaimed B58 Supra and M340i systems.
-
Precision Construction: TIG-welded T304 stainless steel for exceptional durability and corrosion resistance.
Specifications
Fitment
-
2017+ BMW G29 Z4 M40i
Features
-
Fully mandrel-bent for maximum flow
-
Precision TIG welds for high strength
-
Built from T304 stainless steel
-
Electronic-actuated valves for rapid and reliable operation
-
11.1 lbs lighter than the factory exhaust
-
Beautiful tips to complement the Z4’s styling
-
100% reversible—return to stock at any time
Sound & Video
Sound & Control
Valves Open
Full unrestricted exhaust flow delivers an aggressive, motorsport-inspired tone that builds with intensity through the rev range. Experience the true voice of your engine.
Valves Closed
Valves closed, the system provides a refined, near-stock exhaust note perfect for daily driving, early mornings, and highway cruising. Zero drone, complete comfort.
Installation
You Might Also Like
AWE Tuning
Borla Exhaust
MBRP
MBRP
FREQUENTLY ASKED QUESTIONS
If it's in stock and ready to roll, your order usually hits the road within 1–3 business days.
For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.
Either way, we'll keep you updated so you know exactly when your parts are leaving the pit lane.
Absolutely! Once your order ships, you'll get an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.
If your shipment is lost, just email or call us — we'll help track it down and guide you through the next steps to make it right.
Simple — spread the horsepower! Follow us on Instagram, YouTube, and Facebook, and most importantly, drop us a review on Google or Yelp to let others know about your experience.
Your feedback helps us grow, create more content, and keep bringing performance-driven parts to the community. 🏁
1ST CLASS SERVICE
805-267-9762or email Support@FFPerformance.co
Car parts can be a maze — good thing we brought the map. Our team's here to keep things smooth, simple, and maybe even a little fun.
📞 Click To Call Now
Reviews
There are no reviews yet