@Lara - here's a list of all the dynos I could find that are around your boost level with similar mods. With the exception of the one car from Beau, the rest of them are putting down the same numbers you are. Nothing to cry over.
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Basic Mods:
MAM Block: 8.5:1 CR
Turbo: Stock GT25R
Exhaust: GHL 3" DP/Midpipe (Catted), 2.5" JIC Catback
Intake: Injen CAI
FMIC: Perrin w/SSQV
EMS: Microtech LT8S (Dirty WRX 440cc's)
MISC: Ported intake manifold, removed VTCS, slight head polish (gasket match).
92 Octane 14PSI Spike settle to 12PSI.
Mustang Dyno
http://www.msprotege.com/forum/showthread.php?t=123614118
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MAM kit - 296whp @ 15psi
http://www.msprotege.com/forum/showthread.php?t=108718
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256whp @ 14psi w/ hiboost
http://www.msprotege.com/forum/showthread.php?t=112897
--------------------------------------------
243whp @ 14psi
http://www.msprotege.com/forum/showthread.php?t=113076
--------------------------------
Basic Mods:
MAM Block: 8.5:1 CR
Turbo: Stock GT25R
Exhaust: GHL 3" DP/Midpipe (Catted), 2.5" JIC Catback
Intake: Injen CAI
FMIC: Perrin w/SSQV
EMS: Microtech LT8S (Dirty WRX 440cc's)
MISC: Ported intake manifold, removed VTCS, slight head polish (gasket match).
92 Octane 14PSI Spike settle to 12PSI.
Mustang Dyno
http://www.msprotege.com/forum/showthread.php?t=123614118
--------------------------------------------
MAM kit - 296whp @ 15psi
http://www.msprotege.com/forum/showthread.php?t=108718
--------------------------------------------
256whp @ 14psi w/ hiboost
http://www.msprotege.com/forum/showthread.php?t=112897
--------------------------------------------
243whp @ 14psi
http://www.msprotege.com/forum/showthread.php?t=113076