As others have experienced, it seems like every other time I turn on my car it forgets what song it was playing off USB, and often seems to have to reindex the whole USB drive, 16GB worth, before it will even let me browse by artist/album. One thing that isn't clear to me though is if upgrading...

His thread is on here somewhere, well anyway as an update, so you guys know the 2.5 is no joke. he's pushing 10 psi out of a T4 currently making 310hp on stock block. https://www.facebook.com/groups/MazdaMovement/