Removal of Baffles in OEM Exhaust - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 16 Old 04-22-2004, 01:58 AM Thread Starter
 
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Removal of Baffles in OEM Exhaust

Is there any way of making the OEM mufflers loader with out to much modifications. Whats behind those allen keys screws on that black cover around the tail pipe. Does this area allow you any access to the inside of the muffler.

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post #2 of 16 Old 04-22-2004, 07:50 AM
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Last year I was monitoring the Yahoo V-Strom forum for a while. A number of guys there were simply drilling a hole through the baffle plates in their DL1000 mufflers, and they were happy with the results. I don't remember the size, but if you do a search of that forum you'll probably come up with some information.
post #3 of 16 Old 04-22-2004, 09:59 AM
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What I and my other Vstrom riding buddy have done is drill not thru the center of the opening, rather 4-9 holes drilled around the muffler that makes the most satisfactory change in sound. Drilling thru the center seems to do mostly nothing. When we were done it sounded alot like the "Remus" sound. No too loud. It has a nice rumble upto 50 mph and about non existent at freeway speeds. We both like to run up the Revs and ride in mostly the 4500 - 7000 rpm area.

Hope that helps!
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post #4 of 16 Old 04-22-2004, 02:51 PM Thread Starter
 
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I read that article in DL Q&A about the hole saw. Don't like the idea of the metal chips left in the muffler. Sounds like the only way to correctly do it is to cut them in half, remove the baffles and weld them back together. Sounds like a winter project.

SemperVee are you drilling the holes where people were using a hole saw deep inside the muffler. Can you get the chips out of the muffler when you do this. I guess you need a long drill and what size were you using. The drill is going to wander when doing this.

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post #5 of 16 Old 04-22-2004, 04:06 PM
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No problem... I have done this before with other bikes.. your exhaust is
E X H A U S T... - *Not intake* Minor amount of metal dust anyway.
I drilled just around the ring that protrudes out - Very easy to do.
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post #6 of 16 Old 04-22-2004, 10:04 PM Thread Starter
 
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SemperVee

Let me understand ring that protrudes out. At the rear of the exhaust there is the tail pipe. Is this what you are refering to. The bike has a black cover over the exhaust with socket head cap screws. Then there is a chrome ring and inside that is the tail pipe. Are you drilling ( what size holes works the best) one set of holes around the end of the tail pipe. Or multiple holes along a short lenght of tail pipe. Sorry I'am a Machinist and need more details.

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post #7 of 16 Old 04-23-2004, 12:10 PM
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Scooter,

I have made 4 holes of 1/4 in. each @ 12, 3, 6, and 9 O'clock on the hardened wall that surrounds the tail pipe just inside the muffler.
If I can find my Digital camera I will take photos. Conversely my Vstrom Riding buddy Barry has made 6 holes of 5/16's that he is very happy with.
I have a much taller windshield than he, so I have a propensity to hear more than he does with a much shorter shield. None the less.. we are both happy with the simple modification.
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post #8 of 16 Old 04-23-2004, 09:49 PM Thread Starter
 
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So your then drilling on an angle just inside the tail pipe, probably about 3/4" in. You want to drill inside the muffler right.

You could probably try both methods to make the mufflers slightly loader.
I'm presuming they will not be as load as an after market muffler.

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post #9 of 16 Old 04-27-2004, 10:16 PM Thread Starter
 
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At http://www.motorcycleinfo.calsci.com/VStrom.html

there is an explanation of drilling out the mufflers, also a good resource for accessories

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post #10 of 16 Old 05-04-2004, 06:08 PM
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Making the exhaust modification was still not clear to me despite all the messages. Today at the dealer I noticed why. The 1000 exhaust differs quite a lot from the 650. Does somebody know how to modify the 650 pipe?
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