I can sit & drive in my Boxster all day long...no back aches at all...in 15 year old "standard" seats & M030. PERFECT DESIGN!
Only drawback is the de-snorkled side intake, which quits any kind of conversation/radio @ speeds >210km/h...as screaming loud as a 917 inside....MEGA FUN for little sprints in between a longer trip. Wife loves it too, shouting "go faster, go faster"