Quote:
Originally Posted by OPM GT3
The engine sound does change a little.
As for price, retail is $2995. It may not be worth it to some of you, but it is to me. It just feels good all through the power band. By the way, I have headers and an ECU tune.
If anyone wants to drive it just PM me. 
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I think you are falsely believing you really achieved some real performance gain through that modification. If there is any real gain it would be so minimal relative to the 451 bhp that you wouldn't notice it.