BMW 3-Series Cat-Back Exhaust System

The COBB BMW 3-Series Cat-back Exhaust is designed to fit your 2007-2011 335i Sedan and 2007-2013 335i and 335is Coupe, even if it is All-Wheel Drive! Utilizing a single 3" pipe into a suitcase muffler that then divides the exhaust gases between 2 2.5" pipes to exit your motor. Not compatible with 3-Series Convertible Vehicles.