No, they said Eco and Pwr only remap the first 50% of accelerator travel. Eco makes it less sensitive, Pwr, more. After 50%, the curves merge. Full accelerator on any mode = same power delivery. This is per "The Chief" when we asked.
35F/33R psi for 195/65R15 Bridgestone ECOPIA EP20 33F/32R psi for 215/45R17 Bridgestone TURANZA EL400 or Michelin Pilot HX MXM4 Ken@Japan
The funny thing is they acknowledged our desire to adjust tire pressures, yet kept the recommendations the same!
The 15" can probably be bumped up but I don't know if the 17s can because they're low profile which would make the ride stiffer already.