Active Autowerke Signature Mid-Pipe with X-Pipe - G8X M3 / M4Introducing the highly anticipated Signature Mid Pipe with X Pipe by Active Autowerke, designed exclusively for the BMW G80 M3 and G82 M4. While these exceptional cars have garnered widespread acclaim for their performance, the sound has left drivers yearning for the unmistakable roar of a BMW M car. In response, Active Autowerke has developed a comprehensive exhaust system for the G80 G82, consisting of this remarkable mid pipe, a rear axle back