Upgrade your BMW 523i F10 (2003-2010) with this valved performance stainless steel catback exhaust. Featuring an electric valve control muffler, this system lets you switch between a refined sound and an aggressive exhaust note at the touch of a button. Crafted from premium stainless steel, it enhances exhaust flow, improving performance and throttle response. The single-tube design adds a sleek, modern touch while increasing your vehicle's power and sound. With easy installation, it's the perfect upgrade for your BMW.
