Upgrade exhaust flow and sound with this Valved Cat-Back Exhaust System for BMW 335i 340i 430i 440i - BMW 3 Series & 4 Series. The system replaces the exhaust section behind the catalytic converter and is designed to provide a deeper tone, reduced restriction, and a cleaner rear appearance. The integrated valve system allows the exhaust path and sound level to be adjusted when installed with the compatible controller.
Product Details:
- Fitment: BMW 335i 340i 430i 440i - BMW 3 Series & 4 Series
- Reference numbers: F30-F36
Confirm chassis code, engine, drivetrain, body style, model years, pipe routing, connection points, and rear-bumper outlet layout before ordering. Professional installation and adjustment are recommended, especially for valved systems that require wiring, vacuum lines, or controller setup.
Valved Cat-Back Exhaust System for BMW 335i 340i 430i 440i - BMW 3 Series & 4 Series
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