RickyFriery97 Posted April 19, 2012 Report Share Posted April 19, 2012 On my new box I'm doing a slot port all the way across the bottom, 46.5"x4" I have a 2x4 on the inside bracing the baffle to the top of the port I was thinking of using some scrap pieces of birch for bracing inside the port, not the full length of it where it would be separate tunnels just two shorter pieces with rounded ends. Will this affect anything? Raise my tuning maybe? 2014 Chevy Silverado Crewcab 1994 Chevy Full Size blazer Link to comment Share on other sites More sharing options...
rotciv244life Posted April 21, 2012 Report Share Posted April 21, 2012 yes it will. Link to comment Share on other sites More sharing options...
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