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Originally Posted by bfrank1972
2011 stage 1 STI? That means cat back only right? (no flash?) Even so, that's saying something - even when talking about a 2009 WRX. They're quick.
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Stage 1 is tuned for more boost, no exhaust modes except cat back. Both my WRX and STI has same mods. WRX ran 16pis, STI ran 18psi. Both cars were otherwise stock
STI is faster than ESC FRS..... but not by a hell of alot and certainly not off boost.