They are basiclly the same car, but one has a lower center of mass. Theroetically you can generate more grip with the 414 but have faster handling response with the 415.
I recomend the 415 as these days most turns are followed very quickly by another.
Blade: Andro Treiber H 79g AN
FH: Donic Bluefire M3 Max Blk
BH: Donic Bluefire M2 Max Red
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