Elevate the sound and performance of your BMW G8X M3 or M4 with the Valvetronic Equal Length Midpipe—a premium performance upgrade engineered to unlock the true acoustics of the S58 twin-turbo engine. Available in high-quality T304 stainless steel or ultra-lightweight Grade 5 titanium, this midpipe dramatically enhances the vehicle's exhaust tone while reducing unnecessary weight compared to the stock system.

Featuring a single 3.5-inch equal-length design, this system improves exhaust scavenging and increases overall flow, producing a harmonically rich, high-pitched tone that the factory exhaust simply cannot deliver. The result is a more exotic, aggressive sound that brings the S58 engine to life—all without requiring a new axle-back exhaust. This midpipe integrates seamlessly with OEM downpipes or upgraded free-flow front pipes and will not trigger a check engine light.

For enthusiasts seeking maximum customization, this midpipe is fully compatible with most aftermarket axle-back systems. When paired with Valvetronic’s optional axle-back exhaust and valve control unit, the system provides total control over exhaust tone. The axle-back features quad-chambered mufflers, electronic valve actuation, 2.75-inch piping, and double-layered exhaust tips—offering both visual and acoustic refinement.

The latest V3 midpipe has been redesigned with improved clearances at the downpipe and midsection, ensuring better fitment. Earlier V1/V2 versions of Valvetronic midpipes and axle-backs are not compatible with the current V3 configuration, and slight visual differences in the updated design are expected.

Key Features:

Constructed from T304 stainless steel or optional Grade 5 titanium for premium durability and weight savings.
Equal-length midpipe design produces harmonically rich, exotic, high-pitched exhaust tones.
Full 3.5-inch mandrel-bent piping ensures maximum exhaust flow and performance gains.
Reduces weight by approximately 57.8 lbs (Titanium) or 24.7 lbs (Stainless Steel) compared to the OEM system.
Fully reversible direct bolt-on system requiring no permanent modifications.
Works with OEM exhaust valves and compatible with factory or stand-alone valve controllers.
Will not trigger a check engine light when used with OEM downpipes or similar front pipes.
Compatible with OEM and most aftermarket axle-back exhaust systems.
Optional Valvetronic axle-back system includes quad-chambered mufflers and electronic valve control.
Features double-layered exhaust tips for a bold, aggressive finishing touch.
Precision TIG-welded construction ensures durability, strength, and a clean appearance.

Fitment:

BMW G80 M3 (2020+)
BMW G82 M4 (2020+)
BMW G83 M4 Convertible (2020+)

Compatible with all S58-powered G8X models, including xDrive variants.