BMW Fi Exhaust G29 Z4 20i 2.0T B48 2019 +Front Pipe + Mid Pipe + Val Mercedes Benz C190 AMG GTR 4.0TT M178 2017 2021 Valvetronic Catbac Buy IPE C63 Exhaust Headers, Front Pipe with Cat, Mid Pipe, Valvetronic FI Exhaust Mercedes Benz AMG GT GTS Mid X Pipe + Valvetronic Mufflers. Unleash the full character of your BMW 8 Series (G14 Convertible G15 Coupe G16 Gran Coupe) M850i with the Fi Exhaust Valvetronic System, a perfect blend of precision engineering, acoustic performance, and OEM functionality. This complete system includes the front pipe, mid X pipe, and valvetronic muffler, all designed to retain your vehicles factory valve operationno additional remote control required. The valves integrate seamlessly with BMWs drive modes, delivering a composed note in Comfort and a deep, aggressive tone in Sport. Expertly crafted from high grade T304 stainless steel, this system reduces backpressure, improves exhaust flow, and enhances turbo response from the N63 twin turbo V8. The X pipe configuration equalizes exhaust pulses for a smoother flow and rich, balanced sound across the rev range. Features: Includes front pipe, mid X pipe, and valvetronic muffler Retains OEM valve control no remote required High grade T304 stainless steel construction Mandrel bent tubing for optimal flow and durability X pipe design for improved exhaust balance and tone Noticeable performance and throttle response gains Direct bolt on fitment no cutting or welding Fitment: BMW G14 M850i Convertible (2019+) BMW G15 M850i Coupe (2019+) BMW G16 M850i Gran Coupe (2019+) Engine: 4. 4L Twin Turbocharged N63 V8