I'd like to see AFRs added to the graph to see how the stock tune looked.
Also, what did you do about CEL from the rear O2 sensors? Just ignored it I presume?
That's extremely loud without cats to boot.
2009 Challenger R/T - Arrington Forged 6.0L and Magnacharger Supercharger - 553RWHP 627RWTQ