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Message: <blockquote data-quote="hispls" data-source="post: 8565770" data-attributes="member: 614752">I also consider angle iron frame as a start, I'd consider that almost a must.  I had thought to have bolts coming out from the angle iron (to fit through holes drilled in your baffle) an fastening down with huge wing nuts.   Bracing along the center with eye bolts and turnbuckles should be easy enough.  Some caulking rope or even weather stripping will make an adequate air seal.The tricky bit (apart from welding and tapping) is how the baffle lines up flush on the port side.   Assuming you want to just use the top or driver's side as the port.  Also if you need some port depth, getting the part that sticks into the box airtight may be tricky (removable angle iron and more gasket?)  Thoughts?I badly need access to a metal shop.</blockquote>

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