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Fabspeed Valvetronic Exhaust System - BMW M3/M4 (G80/G82)

$6,155.73 CAD
Shipping calculated at checkout.
Tip Finish

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What is your return policy?

We do accept returns. Please email us at to submit your request. Items sent to us without submitting a request will not be accepted.

We have a 14-day return policy, which means you have 14 days after receiving your item to request a return. Customer service is at the top of our values here at Brox Tuning and we try our best to make the return process painless for our customers. If you need more info please click here for our detailed return policy.

When will my order ship?

Once an order is placed, if the item is in stock we will have it shipped out within 1 business day. Out of stock items usually ship within 1-2 weeks. Please email us if you have any questions regarding inventory at

Do you ship worldwide?

We can ship worldwide. If you are outside of Canada or USA, please contact us.

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Local Pick Up

If you are local to our physical location you have the ability to choose the "local pick up" option at checkout! This means you can come and get your items once they are available for pick up avoiding shipping costs. In stock items are usually ready within 1-3 hours. Out of stock items will need 1-2 weeks. Get in touch with us if you have questions about stock levels at or call us at (416) 798-BROX


The Fabspeed BMW M3 & M4 Valvetronic Exhaust System offers a superb “plug and play” upgrade to the restrictive and quiet OEM exhaust. Adding a significant increase in tone, volume, and power. We use Helical valves imported directly from the U.K. to eliminate any risk of valve failure that plague many other options on the market with low quality exhaust valves.


The Fabspeed Motorsport Valvetronic Exhaust System relieves you of the subtle OEM sound and gives you the volume and tone that’s missing from the factory system. With a slight increase in volume on the throttle and a nice burble at idle, this is the perfect “grand touring” M3/M4 exhaust system. Downshift pops and bangs in sport mode are louder, but not obnoxiously so. This system has no drone at all cruising around town or on the highway.


  • Fits all BMW M3 & M4 (G80/G82) sedan/coupe vehicles worldwide (2020+)
  • Constructed from CNC mandrel-bent 14-16 gauge T304L stainless steel
  • Laser scanned and CAD designed for perfect OEM fitment using Ametek Handyscan 700
  • This cat-back system is emissions legal in all 50 states and the rest of the world (ROW)
  • Uses aerospace quality Helical Limited exhaust valves imported from the U.K.
  • No CEL (Check Engine Light) guaranteed
  • Saves 3lbs / 1.4KGs compared to the factory system
  • Includes Deluxe Quad-Style Tips in your choice of finish
  • Retains factory valve functionality for “plug and play” installation
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty


  • Minor cutting at factory exhaust breakpoint required to install (Reference Dimple Locations on OEM)

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