I have a 66 Mustang with a late model 302 (from a 93 GT.) The only part of the exhaust that I have purchased are Doug Thorley headers. I wanted to know what would be the best off road h or x pipe with either Flows (which?) or Magnapacks? I heard and love the way the Magnapacks sound from a video clip on mustangexhaust.com which makes me want to get those but I want to keep my options open. BTW, I plan on running dumps as well. Will this setup possibly be unbearably loud? Thanks in advance for any help or suggestions. 
