Subaru's 5-speed is weak, and I haven't heard anything really about the 6-speed's strength. EVO 5-speed boxes have been in the 8's as said. Even is the Subaru 6-speed is strong, it makes no sense, way too closely-spaced gears, big 2.5 turbo 4 needs some longer gears to let it stretch it's legs.
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-Jim
“Equality, rightly understood as our founding fathers understood it, leads to liberty and to the emancipation of creative differences; wrongly understood, as it has been so tragically in our time, it leads first to conformity and then to despotism”-Barry Goldwater