Nice pics Dave. Thanks for organizing. Hearing the exhausts in person is the way to go. We could really discern the differences.
HAPPY NEW YEAR!
F10 30 Jahre M5/F80 30 Jahre M3
F82 M4 GTS
E36 M3 with S54 Swap/F22 M235 Dinan Stage 4
X15 X5 3.5i/03 Cooper S (Maxi Tuned +50bhp)
60 Impala (43k orig mi)