Pypes A body exhaust or Summit Which one should I choose?

I put on a Pypes system with Race Pro muffs. The sound is nice under normal conditions but has a nice, loud bark when you get on it. Didn't use the tail pipes and this is hooked up to Schmacher (shorty) headers. Pics on my site.

Idling video here: [ame="http://www.youtube.com/watch?v=BUi1Gk_NSm8"]Preston Herrick's 1970 Big Block Plymouth Duster Exhaust - YouTube[/ame]

On the street here: [ame="http://www.youtube.com/watch?v=6I7__wnQ9Rk"]Preston Herrick's 1970 Big Block Plymouth Duster - Street - YouTube[/ame]