as much as cooling is better on the fmic, i would stick with the tmic until your mods require you to change it (depending on the power gains you are after), i have approaximately 180kw on all fours (from memory)on my RVR sportsgear and it still has the factory top mount

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previous cars: 88 mazda 323 (b6 turbo engine),mild mods, 94 mitsubishi RVR sportsgear
180wKW on all fours...2004 xc90 T6
next car: WRX