Also found this interesting, considering that everyone marveled at the apparently clever and simple exhaust solution employed by Merc last year. Wonder if others copied log-type exhaust in the meantime. Mercedes ditches log style exhaust on PU106B - F1technical.net
They may have decided the power benefit outweighed the packaging/aero benefit. This is still not 100% confirmed yet. We know they are running adjustable length throttle bodies this year though. Very cool.
Mercedes targets big token spend before Melbourne | Mercedes | Formula 1 news, live F1 | ESPN F1 Makes sense - win as many races early on lock things up and let the rest bring their tokens to get closer. Allows time to start early development of the next car. Either that or they are worried about the improvements others have made shown in testing