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Author Topic: makita 6421 muffler mod  (Read 1307 times)

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Offline pigpen60

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Re: makita 6421 muffler mod
« Reply #20 on: September 15, 2014, 04:47:55 pm »
well I had a hell of a time getting that cat outta there, ended up taking a body saw and cutting it out. all back together no extra openings and no screen. not sure if I should put the screen back. seems louder. I almost windowed all the inside sections so they were just frames but I resisted. started it without bar, bar oiler works!
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Offline 660magnum

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Re: makita 6421 muffler mod
« Reply #21 on: September 15, 2014, 05:53:37 pm »
You can window the baffles next time
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Offline pigpen60

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Re: makita 6421 muffler mod
« Reply #22 on: September 15, 2014, 07:54:20 pm »
well I had thought I could do like someone suggested and drill a extra exit in the front cover.
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Offline aclarke

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Re: makita 6421 muffler mod
« Reply #23 on: September 15, 2014, 09:45:20 pm »
I'm assuming you cut out the baffle and left the spacers?
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Offline pigpen60

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Re: makita 6421 muffler mod
« Reply #24 on: September 16, 2014, 11:17:23 am »
the only thing I cut out was the cat and a large portion of the sheet metal it was attached to.
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Offline aclarke

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Re: makita 6421 muffler mod
« Reply #25 on: September 16, 2014, 11:31:39 am »
My bad. Had an image of non - cat muffler in my head
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