A comparison of the stock exhaust and active autowerke equal length exhaust on my 2025 BMW M4 Competition xDrive. The AA system includes the equal length mid pipe, Gen2 rear section, and SST valve controller.
@TheActiveAutowerke

Chapters:
0:00 Intro
0:14 Revving Comfort Mode
1:05 Revving Sport Mode
1:55 Revving Sport Plus Mode
2:53 Takeoff Comfort Mode
3:33 Takeoff Sport Mode
4:16 Takeoff Sport Plus Mode

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