2008 Subaru WRX modifications...?

bought 2008 subaru wrx (no, not sti, wanted sedan). although naysayers have jumped on "oh, hate it!" bandwagon, love it. yes, 2009 has 40 more horses, got deal on because end of model year. anyhow, want throw cold air intake , new exhaust on it, should put on 2009 model's performance range. other mods recommended? don't want switch-out turbos, way expensive.

i bought 2008 subaru wrx (no, not sti, wanted sedan). although naysayers have jumped on "oh, hate it!" bandwagon, love it. yes, 2009 has 40 more horses, got deal on because end of model year. anyhow, want throw cold air intake and...

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