B58 Catback Exhaust — BMW M440i (G22) & M340i (G20)

A valve-controlled cat-back exhaust for the B58-powered BMW M440i (G22) and M340i (G20), built for improved performance and a deep, aggressive note.

Complete Kit Includes:

• 304-grade stainless steel construction with full-penetration welds for maximum strength
• Reduces weight versus the stock system while improving exhaust flow
• Deep, aggressive exhaust tone with noticeable throttle response gains
• Three-stage quality control testing on every unit
• Available in Chrome, Black, or Carbon Fiber tip finishes; catback or full-exhaust configurations

Installation: Direct bolt-on cat-back replacement using factory hangers and connection points.

Fitment:

• BMW M340i (G20)
• BMW M440i (G22)