Active Autowerke F3X 335i | 435i Performance Valved Rear Exhaust GEN 2 440i Direct Bolt-On Installation: No cutting

Direct Bolt-On Installation: No cutting

Reliability and power is needed if you want to be on the podium

eNet cable for BMW OBD2 use is included

The Active AFlow Super High Output Catalytic Converter features full 304 stainless steel construction

Active Autowerke F3X 335i | 435i Performance Valved Rear Exhaust GEN 2 440i Direct Bolt-On Installation: No cuttingTrue BMW performance, durability, and attractive weight advantages with innovative features places the Active Autowerke BMW F3x 335i exhaust in a class of its own. And now Active Autowerke has developed Gen 2 of this model which has been enhanced to take advantage of the OEM valve system. This system is constructed from 100% Brushed 304 stainless steel and features adjustable brushed, black or carbon Active Autowerke double walled tips, making it