Well I got 2 runs with the dyno. One with the Silver key and the last with the Red key.
Posted are the 2 videos and the sheet.
As you can clearly see the red key had more hp and tq though the band, or more useable hp and tq when racing. Both ended up with about the same hp (379hp) but the torques with the silver key was 324.59 and the red key it was 339.49.
All in all I was happy with the numbers. But I wonder what the numbers would have been with the stock restrictive mufflers were still in. I had the less restrictive Roush axle backs, and when you factor in the .17% for parasitic loss it is right at 444 hp as advertised.
Here are the links.
First Run with Silver Key. (CLICK ME)
Second Run with Red Key (CLICK ME)
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