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Mine has an attractive pop to it during quick shifting but I kinda doubt its because of the reflash. I think Technosquare only adjust air/fuel and timing which shouldnt affect the sound. I could be wrong though.
Thanks for the info guys, I imagine it really depends on your setup also. I assumed the reflash would make the car run a little more rich to make up for adding testpipes/exhaust, therefore causing the "burble" on downshift...it is damn sexy sounding...