Description
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Unleash the full sound and performance potential of your B58-powered BMW with our Valved Sport Exhaust System, engineered under the GCA Performance line specifically for the 2019+ BMW M340i and M440i platforms. Designed for the G20, G22, G23, and G26 chassis, this premium cat-back exhaust system delivers an aggressive exhaust note, enhanced driving dynamics, and OEM-style valve control.
Built to maximize exhaust flow while reducing backpressure, this system helps your turbocharged 3.0L inline-six engine breathe more efficiently. The result is improved throttle response, a more engaging exhaust character, and a driving experience worthy of BMW’s renowned B58 powerplant.
The electronically controlled valve system allows you to switch between refined cruising comfort and an aggressive performance soundtrack at the touch of a button. Whether you're driving daily or enjoying spirited backroad runs, this exhaust adapts to your needs.
Constructed from premium T304 stainless steel or optional 6AL-4V Grade 5 titanium, the system combines exceptional durability, corrosion resistance, and weight savings with precision TIG-welded craftsmanship.
Features
- Designed for BMW M340i and M440i models (2019+)
- Compatible with G20, G22, G23, and G26 chassis
- Engineered for the B58 3.0L turbocharged inline-six
- Full cat-back exhaust system
- Includes mid-pipe and axle-back sections
- Electronic exhaust valves with controller
- OEM-style valve functionality
- Available in T304 stainless steel or Grade 5 titanium
- Precision TIG-welded construction
- Includes quad exhaust tips
- Direct bolt-on installation
Benefits
- Deeper and more aggressive exhaust note
- Adjustable sound modes with valved operation
- Improved exhaust flow efficiency
- Reduced backpressure
- Enhanced throttle response
- Increased performance potential
- Lightweight titanium option available
- Premium motorsport-inspired appearance
- Perfect balance of comfort and performance
Vehicle Fitment
BMW 3-Series (G20)
- 2019–2026 BMW M340i
- 2019–2026 BMW M340i xDrive
BMW 4-Series Coupe (G22)
- 2021–2026 BMW M440i
- 2021–2026 BMW M440i xDrive
BMW 4-Series Convertible (G23)
- 2021–2026 BMW M440i
- 2021–2026 BMW M440i xDrive
BMW 4-Series Gran Coupe (G26)
- 2022–2026 BMW M440i
- 2022–2026 BMW M440i xDrive
Additional Fitment
- Alpina B3
- Alpina B4
Specifications
- Material: T304 Stainless Steel or 6AL-4V Grade 5 Titanium
- Engine Compatibility: B58 3.0L Turbocharged Inline-6
- System Type: Full Cat-Back Exhaust
- Valve System: Electronic Exhaust Valves with Controller
- Exhaust Tips: Quad Tip Configuration
- Construction: Precision TIG Welded
- Installation: Direct Bolt-On Replacement
- Reversible Upgrade: Yes
What's Included
- Mid-Pipe Section
- Axle-Back Exhaust Section
- Electronic Valve System
- Exhaust Valve Controller
- Quad Exhaust Tips
- All Necessary Mounting Hardware
Why Upgrade Your BMW B58 Exhaust?
The factory exhaust system restricts much of the B58 engine’s true sound and performance potential. Upgrading to a valved cat-back exhaust unlocks a deeper, more aggressive exhaust note while improving flow characteristics throughout the system. With electronically controlled valves, you can enjoy quiet daily driving when needed and unleash the full character of BMW’s turbocharged inline-six whenever you want a more engaging experience behind the wheel.
