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Discussion Starter #1
Have an 02 wrx wagon with 330hp and want to make some more power. It's got V39 turbo Subaru performance Exhaust. Tomei headers External wastegate. 3 bolt up pipe dont really much about that. Whatelse can I do to get her to 350hp or more???
 

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Upgrade to a sti 6 speed... your about at the end of what your WRX transmission can safely handle.

Next, maybe upgrade your intercooler. I don't know how much past 350 you'll get with TMIC so might want to look at going front mount?

Upgrade your radiator if you haven't already, maybe look into an oil cooler down the road?


She sounds fun!
 

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I agree with the intercooler concern. I assume you upgraded fuel management system with turbo? If not I would also add an AOS, new high pressure fuel pump, fuel rails, big injectors, large volume FPR, and more spark; new boots, coils and plugs at least one step colder. All that and a good you should hit that goal
 

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Discussion Starter #4
I've put an 05 5 speed in her. After the stock one broke on dyno. Mishamotor radiator with sti manifold and topmount
 
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