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      12-08-2011, 10:35 AM   #12
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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If you are willing to spend the $8k for a stage 1 supercharger, you do get pretty good horsepower per dollar. A lot better than you get with a rear exhaust. I like doing the horsepower per dollar calculations even if I don't always have the cash to do the forced induction mod.

ESS 535 equals 120 hp gain over stock 414 hp for $8000, or $67 per hp. These are crank hp figures.
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