Valvetronic Valved Sport Axle-Back Titanium Exhaust System - 4.0" 1x1 Carbon Fiber Tips - BMW G80 M3, G82/83 M4

Product Details

The G80/G82/G83 is a phenomenal M car—its soundtrack just needs to catch up. Unlock the character the S58 deserves with the Valvetronic Designs valved axle-back.

Compatible with OEM mid-pipes, this system is engineered to deliver a higher-pitch, refined note with zero check-engine lights.

​Sound & Control

• With stock downpipes: Noticeably crisper, more engaging tone without drone.
• Valved axle-back: Quad-chamber muffler and OEM-style valves deliver daily-driver civility closed, and an aggressive, motorsport edge opened—at the touch of a button.
• No CEL: System is designed to avoid check-engine lights.

Construction & Options

• Materials: Ultra-light Grade 5 titanium
• Weight savings: –57.8 lb (Titanium) vs. factory.
• Craftsmanship: Precision TIG welds, fully mandrel-bent tubing
• Tips: Premium double-wall or single-wall tips included.

Valve Integration

• Electronic valve control with included controller for rapid open/close.
• OEM integration available if you prefer factory valve control behavior.

What’s Included

• Valved axle-back with controller and tips
• Hardware and clamps

Specifications

• Tubing diameter: 2.75" axle-back
• Materials: Grade 5 titanium
• Finish: Raw/Brushed (Titanium)
• Valves: Electronic, with remote controller (OEM integration available)

Prop 65 Warning

Product Q&A

Lifetime Replacement

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