BMW G80 M3 / G82 M4 Valved Equal Length Z-Pipe Exhaust System

BMW G80 M3 / G82 M4 Valved Z-Pipe Exhaust System 

Engineered for drivers who don't just want performance—they demand presence. This valved Z-pipe exhaust system for the G80 M3 and G82 M4 transforms the S58 twin-turbo inline-six into something sharper, louder, and unmistakably yours.

Fitment

• BMW G80 M3 (2021+)
• BMW G82 M4 (2021+)
• Compatible with both standard and Competition variants
• Direct bolt-on, no cutting or modification required
• Compatible with factory valve controls

Tip Finish Options

Choose your tip finish at checkout—included with your exhaust system at no added cost.

• Carbon Fiber
• M Performance
• Black
• Burnt
• Silver

Sound Character

This system is built to amplify what makes the S58 special—its high-strung, twin-turbo inline-six—without compromising refinement.

• Valves Closed: Deep, controlled tone with a refined growl. Minimal drone, ideal for cruising or daily driving.
• Valves Open: Aggressive, race-inspired note with a sharp, exotic edge. Expect crisp upshifts, raw overrun crackles, and an aggressive top-end snarl as you approach redline.
• Z-pipe configuration enhances resonance and turbo spool acoustics, giving a deeper, more three-dimensional exhaust note than a standard mid pipe layout.

Materials & Engineering

• Constructed from premium T304 stainless steel for superior corrosion resistance and longevity
• Precision TIG-welded for structural integrity and clean aesthetics
• Mandrel-bent tubing ensures optimal exhaust flow and reduced backpressure
• Z-pipe design optimizes exhaust pulse routing for improved flow and enhanced tone
• Integrated valve system retains OEM functionality for seamless drive mode transitions
• Designed to reduce weight vs. factory system while improving throttle response

Performance Benefits

• Increased exhaust flow for improved horsepower and throttle response
• Reduced backpressure for a more efficient powerband
• Noticeable weight savings over OEM exhaust components
• Enhanced driving engagement through sound and responsiveness

What's in the Box

• Full stainless steel valved Z-pipe exhaust system
• Integrated valved muffler assembly
• Exhaust tips in your selected finish (Carbon Fiber, M Performance, Black, Burnt, or Silver)
• All required clamps, hardware, and gaskets
• Installation guide

Why This System

The G80 M3 and G82 M4 already deliver serious performance—but from the factory, the S58 is still held back by a restrictive, overly quiet exhaust. This system removes those limitations and unlocks the raw, emotional experience the platform was built for.

If you're the kind of owner who values precision engineering, track-ready performance, and a sound that turns every drive into an event—this is the upgrade that completes the car.