Steam STX 67 vs Forced Performance/FP HTA 71

PRE recently did a test that pitted lots of Subaru stock location turbos against one another.  This is what the plot of our smaller Steam STX 67 looked like against a Forced Performance HTA 71.  The STX 67 basically made power sooner, had better low down power, and made 10-25 whp across the entire rev band.



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