AWE Track Edition Axleback Exhaust for BMW G2X 330i/430i - Diamond BlackBeginning after the secondary catalyst, the AWE Track Edition picks up right before the rear axle and provides a full single 3 route from this point, then splits to dual 3 tip outlets. The Track Edition has absolutely zero filter making its sole purpose to increase the volume out of the B48 engine while remaining completely 50 state emissions compliant (and saving weight and dollars along the way). A simple cut (at the factory cut point) is all it