I'm really not trying to be a ****, but gaining 13whp from ditching the stock headers and cats for Longtubes is really not that impressive. Plenty of folks get that from test pipes. (Not to mention the 20 degree difference, which absolutely matters. WC or not, you will make more power when it's cooler.)
Also, there's nothing about that data that indicates your resonators had anything to do with the gains at all. I would venture a guess that the cats (and temperature) is the main thing that netted you that gain, given that the gains are uniform throughout the power band.
Anyway, glad you like it, that's all that really matters anyway.
Also, that's not really rich... most guys find maximum N/A power between 12.5 and 12.8. Before my tune, I was pegged at 10.5, now THAT was rich.
Last edited by Sh0velMan; 10-18-2013 at 11:10 AM.
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