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› You think I can drill a dyna?
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You think I can drill a dyna? (Read 3 times)
HotCarl
Ex Member
You think I can drill a dyna?
06/01/06 at 19:55:22
Okay, so I've tried 4 different mufflers on my bike and I still can't get the sound I want.
The stock muffler sounds like a sewing machine.
I tried a supertrapp slip-on but it was too raspy
I tried a hollowed out sportster muffler (no baffle) and it sounded perfect, but way too loud.
I now have a stock dyna muffler, but only sounds marginally better than the sewing machine and it chokes off power unlike the hollowed sportster.
I really love the low rumble and thump of the hollowed sporty muffler, but I commute on it and the volume gets annoying. So, ideally I would love the sound and power of the hollowed sportster, but at about half the volume. Am I S.O.L.?
I was thinking of drilling a 3/4 inch hole through the baffle in the dyna (which actually mounts alot better than the sportster, too) to see if that would open up the volume and power. Any opinions?
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steelwolf
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Re: You think I can drill a dyna?
Reply #1 -
06/01/06 at 20:03:28
Quote:
I really love the low rumble and thump of the hollowed sporty muffler, but I commute on it and the volume gets annoying. So, ideally I would love the sound and power of the hollowed sportster, but at about half the volume.
Get a longer pipe and move the end of the pipe out past the wheel. Something like WD's fishtail.
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azjay
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Re: You think I can drill a dyna?
Reply #2 -
06/01/06 at 21:18:17
we really like the sound of the 17" straight through dyna glass pack on debby's bike. it is only loud when you twist the throttle in an agressive manner. a little discression with the right wrist, can go a long way for good manners and acceptable DB levels.
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dyna muff,1/2 spacer,152.5,55,drilled air box,idle mix,spark plug door,harley bars & seat,spitfire windshield,turn signal,dunlops,man.pethingy,ISO pegs,engine cage,hiway pegs,support 81
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HotCarl
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Re: You think I can drill a dyna?
Reply #3 -
06/01/06 at 21:40:37
So the longer (fishtail) pipe won't be as loud because it's longer, or just because it is behind me and I can't hear it as well?
A "straight through dyna glasspack"? Is that just a hollowed out dyna muffler?
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azjay
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Re: You think I can drill a dyna?
Reply #4 -
06/02/06 at 07:08:35
HotCarl wrote
on 12/31/69 at 16:00:06:
A "straight through dyna glasspack"? Is that just a hollowed out dyna muffler?
it is not modified, it is probably custom chrome or drag specialties after market slip-on, i dug it out of the metal recycle bin, in back of the harley shop, it was probably scratched or something silly like that.
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dyna muff,1/2 spacer,152.5,55,drilled air box,idle mix,spark plug door,harley bars & seat,spitfire windshield,turn signal,dunlops,man.pethingy,ISO pegs,engine cage,hiway pegs,support 81
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steelwolf
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Re: You think I can drill a dyna?
Reply #5 -
06/02/06 at 14:56:55
HotCarl wrote
on 12/31/69 at 16:00:06:
So the longer (fishtail) pipe won't be as loud because it's longer, or just because it is behind me and I can't hear it as well?
A "straight through dyna glasspack"? Is that just a hollowed out dyna muffler?
The longer pipe will put the sound further behind you. Still loud just not so much for you. Fishtail tip optional.
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clueless-FSO
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Re: You think I can drill a dyna?
Reply #6 -
06/02/06 at 18:39:22
I tried drilling, but got frustrated and punched a hole in the baffle instead. It's perfect (to me).
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'96 Black "bed liner" paint.. Ed_L forward controls, HD bars with 1"socket risers, 155 main, pod filter, HD exhaust, punched baffle, modded seat, chain drive conversion, slavy mod
one of a kind
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HotCarl
Ex Member
Re: You think I can drill a dyna?
Reply #7 -
06/02/06 at 18:48:40
How did you punch the hole? did it make the sound louder? Richer? by how much would you guess on a 1-10 scale: If the stock dyna muffler is a 2, and straight pipe 10
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clueless-FSO
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Re: You think I can drill a dyna?
Reply #8 -
06/03/06 at 07:09:37
Used a long drill bit. About twelve inches long. It would not drill through the baffle, so I used a hammmer and the drill bit and drove it through. A 5 or 6or 7 on the loudness scale. I get compliments on the sound from riders of various bikes.
Running a 155 main, 2 #4washers, and a free flowing air filter. Runs well, sounds swell.
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'96 Black "bed liner" paint.. Ed_L forward controls, HD bars with 1"socket risers, 155 main, pod filter, HD exhaust, punched baffle, modded seat, chain drive conversion, slavy mod
one of a kind
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