G30 Valved Exhaust System - M550 M550i G30/N63 550 550iOur valved exhaust systems are precisely crafted to produce the best possible tone from your vehicle. Our valves are designed properly to ensure you have full control of your exhaust system. We utilize premium materials to fabricate our systems and we design them so your vehicle has proper airflow with the valves opened and closed. Fitment G30 M550i 2017 2023 Build & Shipping Information Our systems are made to order, each system is hand crafted with