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Originally Posted by mpeyton
Anyone in the Reno, Carson area that upgrades the STI. It seems that the exhaust is already unrestrictive. Any luck with chips?
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First, the stock exhaust sucks actually. Second, there are no "chips". You want a reflash from a Cobb or EcuTek dealer. The unanimous choice for us for non-DIY mods is S-Squared Motorsports in Rancho Cordova. Long drive and all, but Nate's customer service and technical skills are first rate. Almost all of us have had extensive work done by Nate, including Dean, who had his STX WRX basically built and tuned by Nate, and he's challenging for the overall title in Reno region SCCA autocross this year.
Anyways, if you're looking for more power in your STi, basically all you need is a turboback and a reflash of the ECU. It's common to get overboosting with those mods in an STi, but I think the altitude up here will help to prevent that. You can also either replace the turbo with a VF22, VF30, or VF34 for the same benefit. Those are all slightly larger but won't require fuel system upgrades if you get a reflash with it.