Photo Heavy Review: 2021 Active Autowerke E9X Signature . . . - BIMMERPOST Photo Heavy Review: 2021 Active Autowerke E9X Signature Exhaust Gen 2 I almost bought another Megan exhaust because of the price They also sound decent paired with test pipes but I wanted to try something new I wanted something louder, a little more high pitch, and something quality built The Active Autowerke exhaust always caught my eye but I just coudlnt see myself paying retail + tax and