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Dean,
Your comment about Vortec cone ahead of the mufflers is exactly why I opted to apply the Car Chemistry 3 disc inserts ahead of the Dynomax bullets.
I have heard the Vortec cones do nothing. The CC inserts seem to have documented reduction qualities.
You are also right about the coating. I thought I'd just paint mine for a while, until I am satisifed. I also will put a collector bolt flange at the collector end in order to allow me to change the setup if it is too loud or conversely, too restrictive.
I have read your entire saga and decided to copy much of what you'd done. You sound today, less satisfied than initially (?). I suspected you were pretty loud and added the inserts to my copy of your activities. I am, of course, guessing the Dynomax 3" ID bullets in a 23.5"length are similar to your SS mufflers...
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E. Wood
ItBites
10.69 @ 129.83mph - on pump gas and street tires
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