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› drill out stock muffler ?
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drill out stock muffler ? (Read 126 times)
tomatolord
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drill out stock muffler ?
08/22/17 at 08:00:41
My son drilled out the stock muffler and now it sounds just like a Harley at idle, which I read was NOT good.
4 holes in the cap
We did drill out the pilot plug, which helped BEFORE we did muffler.
Now it is running lead again due to the muffler change, which we expected.
The question is if it sounds like a Harley is that bad?
Yes we are going to buy jets and rejet it
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Gary_in_NJ
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Amongst the Twisty Roads
Re: drill out stock muffler ?
Reply #1 -
08/22/17 at 08:22:05
I don't know what "sounds like a Harley" means. A Harley is a V-Twin on a single crank pin with cylinders at a 45 degree angle. The Savage is a single. They can't sound alike.
If you mean it's now louder - well yes - you punched a hole(s) into your muffler. As a result it is now loud.
Whether this is "good" or not is up to you. If you like the resulting sound, it's good. If now it's too loud, well, that's not good.
Any change in the intake or exhaust system does require rejetting.
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justin_o_guy2
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What happened?
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East Texas, 1/2 dallas/la.
Re: drill out stock muffler ?
Reply #2 -
08/22/17 at 08:56:31
As long as
You don't let it idle on the sidestand
And keep the RPM up to 1100,
It's okay.
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The people never give up their liberties but under some delusion.- Edmund Burke.
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ohiomoto
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Re: drill out stock muffler ?
Reply #3 -
08/22/17 at 10:50:11
tomatolord wrote
on 08/22/17 at 08:00:41:
My son drilled out the stock muffler and now it sounds just like
HALF
a Harley at idle...
----------------------------------
Fixed that for you.
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justin_o_guy2
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What happened?
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East Texas, 1/2 dallas/la.
Re: drill out stock muffler ?
Reply #4 -
08/22/17 at 15:04:11
Is that where the Leamings are?
Do they really run off the cliff?
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The people never give up their liberties but under some delusion.- Edmund Burke.
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IslandRoad
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Re: drill out stock muffler ?
Reply #5 -
08/22/17 at 17:38:39
Tomatolord, it's been said on this site "Don't try to make the bike sound like a Harley". That refers to the idle speed. You don't want that chugging, intermittent-sounding idle that Harley's are known for. Think more like a loud sewing machine. A good steady rhythm.
Volume is a separate matter. As Gary pointed out, volume is usually related to airflow - re-jetting/carb-tuning is the solution to that.
You need to also be mindful of the other end- the intake. If you increase the exhaust beyond a certain point you may also need to look at your air filter.
I think a few holes in the stock muffler should be tunable with the stock air filter. Others, I'm sure, will correct me if I'm incorrect on that.
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S40, 2014, Dyna, Raptor, 52.5/152.5, spacer mod, sea level, cat-eye LED tail light, bullet style halogen turn signals, 'Superbars' with custom 40mm risers, modified stock seat, Metzeler tyres.
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tomatolord
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Re: drill out stock muffler ?
Reply #6 -
08/23/17 at 07:07:03
yes that makes sense now...we don't have a tach yet so we have to get that to set everything correctly.
I have done all this on dirt bikes - jets pipes airbox so I am familiar with the processes involved but every bike is a little different.
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tomatolord
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Re: drill out stock muffler ?
Reply #7 -
08/23/17 at 07:10:23
Papa Bear wrote
on 08/22/17 at 12:15:32:
Forget the muffler .. let's talk tomatoes !!
I live in Leamington
http://www.discover-southern-ontario.com/leamington.html
Ah those are paste tomatoes for Heinz etc
If you want to grow REAL tomatoes let me know and I can let you in on the secrets!
tomatolord
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