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I gotta go with Jim on this one. We have a verified increase in intake noise and a possible measurable increase in horsepower. Four dyno runs don't make it gospel. Too many variables and margin for error to give us a confirmed scientific study. It does look promising though. I will be interested in how all this pans out.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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