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.
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Parts Island is an independent reseller of this aftermarket product and is not affiliated with, sponsored by, or endorsed by BMW. References to BMW are used only to identify compatibility, application, or the design reference shown. The referenced names and related marks remain the property of their respective owners.
