04-14-2013, 11:24 PM
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#2
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Spaceman
Join Date: Jun 2012
Drives: 2013 Firestorm Scion FR-S
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Dynos were done at different times under different conditions.
There is a margin of error.
You're talking about a difference of 5 peak HP between the two "catback runs". Those to things can easily cause that.
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