Part number is the same for AA, just ordered one. Active Autowerke G80/G82 M3/M4 Signature Equal Length mid-pipe (US Patent 11248511, UK and EU patent 3882441) with G-brace. SKU: 11-114
And thread on the install and sound if you can get any aural info from it:
https://g80.bimmerpost.com/forums/sh....php?t=2012691