Fabspeed Motorsport

Fabspeed BMW M3/M4 (G80/G82) Valvetronic Exhaust System (2021+)


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.


Fits all BMW M3 & M4 (G80/G82) sedan/coupe vehicles including Competition Models worldwide (2021+) (RWD & AWD)

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)