I kind of feel the same. I just sold my Stage 2 Audi S4 B8 and got the '17 CX-9 Signature.
Love the Mazda, don't get me wrong, and i chose it after i test drove many SUVs, including Q7, Cayenne, MDX, RX350, QX70, ML350, etc ... but i am already 'bored' by the lack of tuning options for this...