I have a link to my problem.
http://www.youtube.com/watch?v=8ExwoXyW340

any idea how to get rid of this poping sound?
The list of my mods are on my youtube link.

This happens when I rev the car up or when I'm coming from high rpms and they are dropping.

I have changed my spark plugs, and wires not too long ago. Just want to know how to get rid of this crappy sound!

car is an 02 z06 65600 miles
prolly sell it for 19500.00 if someone wanted it. I have chrome rims on the way also.

Lastly, anyone have any OBX HEADERS they have dyno tested? I want to get some but don't want to spend 800 for 5 hp gain, any info on these questions would be a great help!!