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Old 03-17-2013, 03:56 AM   #16
emreturkeli
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Quote:
Originally Posted by baloneyskin daddy View Post
Thats pretty small gauge wire to be in the direct path of the hot exhaust. I'd bet on an extended highspeed run there will be molten projectiles flying out the pipe.
I also thought about the same thing, but maybe a more heat resistant/strong material might be used to replace the gauge wire?

In the end, this is just a trial phase for perfection :) when the desired sound and the power is achieved, the final production with better quality materials can begin! :)

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Old 03-17-2013, 09:09 AM   #17
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What stops the mesh from being blown out of the muffler, the pressure from it being coiled?

Im interested in quieting down my new DG muffler.
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Old 03-17-2013, 09:21 AM   #18
Ironwood
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The temperature in the can will be around 1400 f. Well below the melting point of steel. Loud pipes close trails.
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Old 03-17-2013, 02:46 PM   #19
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Originally Posted by baloneyskin daddy View Post
Thats pretty small gauge wire to be in the direct path of the hot exhaust. I'd bet on an extended highspeed run there will be molten projectiles flying out the pipe.

That't the anti-tailgating feature!

Also works on July 4...
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Old 03-17-2013, 03:00 PM   #20
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Sounds good.
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Old 03-17-2013, 03:54 PM   #21
emreturkeli
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I still need some final pictures (and preferably from installation) in order to fully understand how to apply this to my own silencer...

Any help?

I can't understand how are you fixing this coiled steel into the silencer?
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Old 03-17-2013, 07:09 PM   #22
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Originally Posted by emreturkeli View Post
I still need some final pictures (and preferably from installation) in order to fully understand how to apply this to my own silencer...

Any help?

I can't understand how are you fixing this coiled steel into the silencer?

It's just slid into the Powercore. The spark arrestor keeps it in place, and it uncoils, so it doesn't rattle.
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Old 03-18-2013, 12:05 AM   #23
emreturkeli
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Originally Posted by Yam2Yam2 View Post
It's just slid into the Powercore. The spark arrestor keeps it in place, and it uncoils, so it doesn't rattle.
I hope i will be able to insert it the same way to a Q4, i can't say a thing since i don't have the exhaust yet.. Does anyone know how the Q4 is delivered? With which silent inserts, or with a spark arrestor? Or should I buycit separetly?

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Old 03-18-2013, 04:35 PM   #24
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Originally Posted by Yam2Yam2 View Post
It's just slid into the Powercore. The spark arrestor keeps it in place, and it uncoils, so it doesn't rattle.
Appreciate the info
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Old 03-20-2013, 05:37 PM   #25
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Well, guys, I've chopped the insert down to 12" x 12".

It's a bit louder now, but is still taking all of the sharp snap off the exhaust pulses. Loud enough that I won't be going WOT in the hood... :)

Too cold to ride, maybe in 2-3 weeks!
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Old 03-21-2013, 09:24 AM   #26
emreturkeli
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Quote:
Originally Posted by Yam2Yam2 View Post
Well, guys, I've chopped the insert down to 12" x 12".

It's a bit louder now, but is still taking all of the sharp snap off the exhaust pulses. Loud enough that I won't be going WOT in the hood... :)

Too cold to ride, maybe in 2-3 weeks!
Still waiting for a detailed step by step installation post with pictures for noobies when you achieve your final version and reached perfection!
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Old 03-21-2013, 02:27 PM   #27
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Originally Posted by emreturkeli View Post
Still waiting for a detailed step by step installation post with pictures for noobies when you achieve your final version and reached perfection!

You're going to wait a long time...
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Old 03-21-2013, 03:23 PM   #28
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I dont think a picture is going to help.
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Old 03-23-2013, 03:52 PM   #29
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Went for a short freezing ride today, with the 12" x 12" section in.

If I get decent power out of this, I've succeeded. As others have noted with the PC4, idle is louder than higher revs. Once the bike is under way, noise is down enough that 1/2 throttle can be used in a quiet neighborhood. Even running next to a convertible.

The sound is low-pitched and smooth. I tried to get a video as I drove away, but seem to have a bad SD card... I'll post something to utube ASAP.

The only other consideration is durability. I suspect I may need to find something that uses thicker wire for long-term life. That would also reduce noise more than this tiny wire mesh I'm testing with.
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Old 03-24-2013, 03:13 AM   #30
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I tried this fix on a KTM 250 SX-F with a Rocket slip-on. I used the metal mesh core from a donalson-style air filter element. Very simple to make, results are spectacular. Takes some high RPM Power away, but added some low-mid torque. This is a good thing on a 250. No jetting changes required.

Very impressed, thanks.
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