Quote:
Originally Posted by infinite-foamies
Do you have a thread for the metal floor? Don't you have an issue with the cross members because metal is thinner? Also I am trying to drown out a 4BT Cummins with Straight pipe 
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I have a few pics of the floor replacement here:
http://67-72chevytrucks.com/vboard/s...&postcount=154
Really happy with the result but sill going to ditch the flowmasters!
Brian