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Old 02-17-2013, 05:01 AM   #39
WFO for 41 years
concours's Avatar
Joined: Dec 2008
Location: Kensington, NH USA
Oddometer: 5,432
Hole saw works best, deburr with a Burr-Kwik sheet metal deburring tool. SOUND is the biggest compromise in airboxes. Intake noise can be louder than exhaust.
I'm with the "keep it intact as designed" group.
Too much is just barely enough.....
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