Active Autowerke Valved Rear Exhaust - M340i / M440i w brush tips (11-089) 5018 10 rows of high pressure

10 rows of high pressure bar/plate oil cooling

2012 BMW 335i Exclusive Convertible 3

Active Autowerke has engineered the F8X Mid Pipe specifically for the F80 M3 and F82 M4 to improve exhaust flow by replacing the restrictive OEM mid pipe with a unique oval-shaped 3

Resulting parts are very lightweight and strong

In comparison

Active Autowerke Valved Rear Exhaust - M340i / M440i w brush tips (11-089) 5018 10 rows of high pressureThe Active Autowerke Valved Rear Exhaust for the M340i and M440i enhances exhaust note and performance while retaining BMW's stock valve control. Designed as a rear axle back replacement, this system addresses the overly quiet factory exhaust sound to deliver a deeper, more aggressive tone fitting the BMW 'M' badge. Made in the USA with 304 stainless steel construction Utilizes BMW's OEM valve actuator for optimized flow and resonance Low, deep sound