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Old 08-29-2019, 11:41 AM
shewannameetkarty shewannameetkarty is offline
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Default Curious what would happen if I drilled a bunch of holes in the muffler

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Old 08-29-2019, 11:48 AM
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anickode anickode is offline
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Your muffler would have holes in it and it would be noisy. And blow exhaust every which way.
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Old 08-29-2019, 12:08 PM
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JTSpeedDemon JTSpeedDemon is offline
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^^THAT!
Swiss cheese mufflers don't work great I'm sure.
If you are wondering about easy performance gains without installing a header, just add a header.
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Old 08-29-2019, 12:24 PM
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Give it a go.

Preferably, drill them all around the current exit hole; just some satellite holes around it.

If you're feeling adventurous after that, consider slicing the muffler open around the seam--I would love to see the inner chamber(s) and baffles.
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Old 08-29-2019, 01:43 PM
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I tried it once. I kept hearing metal shaving rattling inside that I couldn't get out. I just didn't want to put it on and have them fall down an open exhaust valve.
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