Here is a quote on how ForceRecon did his. It might help a bit more.
"It was pretty easy, Drill out the rivits, pull the can apart, decide how much you want to remove, tape around the area that you cut to keep it from splintering, and cut away. I used a hack saw and did it by hand to be very carefull. Cut the inner screen tube and packing the same amount that you removed from the carbon. mock it all back together and use the band to as a templet for the holes to drill. Use tape again to keep from splintering the carbon and get after it. Took about a hour total... Yes, It's loud like a D&D pipe with a nice rumble to it..
I was board and wanted something to be different.
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