I'm the mustang driver. Later that day the M3 driver and I spent the better part of a 20 minute session playing cat-and-mouse...perfectly evenly matched. He couldn't catch me, and I couldn't leave him behind. We talked afterward and he's got some suspension tweaks but we're both running street tires. Unfortunately I didn't capture that session on video.

looks to me like the mustang driver knows how to turn better also

"he let you?" stay off the crack. Clearly you can see the mustang pulling on the M3 on the straightaways.

he let you