sounds pretty good, waiting for the actual specs on the setup....
Well I was searching on youtube "GT500, today" and this is what I found by accident, My car with magnaflow's competition mufflers video. I had no idea they posted it. Here it is.
[youtube_browser]iG3AkZO1Lx8[/youtube_browser]
[youtube_browser]lG_X6tRVyG8[/youtube_browser]
Dyno from street series.
What modes do you have on the car to get the 630RWHP