Will i be seeing the same power levels from an equivalent stage 2 s4 and s5 turbo? I'll stick with s4 if i am going to hit my goal of over 250whp, saves me some money buy not buying an s5. But my goal also consists of an extremely fast boosting, torquey powerband. Whichever turbo would give me a better result in terms of responsiveness than i might just sway that way.
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