Quiet Muffler? - Kawasaki KLR 650 Forum
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post #1 of 36 Old 09-27-2012, 08:28 PM Thread Starter
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Quiet Muffler?

Hi Everyone!
I am interested in an after market exhaust system. What is the quietest, best flowing muffler or exhaust system? I don't like loud exhaust, I like to be audibly invisible when I ride
Regards....justjeff

It's not a Tractor....It's a LOCOMOTIVE!! Chugga Chugga
Woooo WOOOOO!!!!!

Last edited by justjeff; 09-27-2012 at 08:29 PM. Reason: poor typing
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post #2 of 36 Old 09-27-2012, 10:16 PM
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Sounds like your describing the factory exhaust!

I like quiet bikes too. I honestly don't think there is enough power gain to warrant an aftermarket exhaust. I'm sure others will have different opinions, but for me the factory muffler is just about perfect

(Plus, I already have it so I don't have to shell out a bunch of cash to replace it)

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post #3 of 36 Old 09-27-2012, 11:26 PM
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Hey all, posted this on a Gen1 thread originally but I am seriously considering this so i thought I would post here too. I apologize in advance to the mods if this is not allowed or considered "spamming and idiotic" but trying to get as much info a possible before I pull the trigger on anything.

I have been debating adding a Lexx to my 2011. I have done the .22 mod and am enjoying the added power due to enrichment. Here are my questions for those that have run a Lexx for a bit:

25 hours is like a weeks riding for me. I don't want my bike obnoxiously loud, do you really have to repack that often?

Has anyone figured a way to avoid the separation mentioned in previous posts? I ride mostly asphalt for my commute but like my options open and am a little (ok, a lot) OCD about my bike.

Do I have to make any other mods to keep my bike in optimum power range? I don't feel like cutting my air box or working on my carb any more if I install one. (As simple as it is, I HATE working on the carb)

Lastly, how much better does she purr than just taking out the tweeter tube? I have a 1.5 inch hole saw (just enough to remove the indented part of pipe) I was debating on using on my pipe to remove the tweeter tube for a low buck mod to give a little deeper rumble, but am willing to spend the 2 bills if the Lexx gives better sound (but again, not obnoxiously loud) as well as a better bump in performance.

I ride daily 70+ miles and my bike is my primary vehicle so I prefer mods that add not only power but also don't effect reliability.

Again,thanks everyone!

Thanks again for your input y'all.

Mike

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Last edited by klr4evr; 09-28-2012 at 08:31 AM.
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post #4 of 36 Old 09-28-2012, 04:13 AM
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You really jacked justjeff's thread.

T

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post #5 of 36 Old 09-28-2012, 08:42 AM
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I have to agree with 650Stew. The stock muffler is fine for me. The only reason I would get rid of it would be to shed some weight. There's really no power gain from changing the muffler especially for the cost.

That being said have you checked this thread:

http://www.klrforum.com/showthread.php?t=9863

.

My Kaw Barn - 2004 KLR, 2006 Concours (sold), 1997 Bayou 400.

"It's a friggen motorcycle, it's not supposed to be comfortable, quiet or safe. The wind noise is supposed to hurt your ears, the seat should be hard and riding it should make you shit your pants every now and then. "

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post #6 of 36 Old 09-28-2012, 11:33 AM
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My bike is 10 years old and I have no thoughts on replacing the exhaust, except to buy another stock can.. Unless someone comes out with something that weighs less and is as quiet..
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post #7 of 36 Old 09-28-2012, 05:56 PM
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Quote:
Originally Posted by 650Stew View Post
Sounds like your describing the factory exhaust!

I like quiet bikes too. I honestly don't think there is enough power gain to warrant an aftermarket exhaust. I'm sure others will have different opinions, but for me the factory muffler is just about perfect

(Plus, I already have it so I don't have to shell out a bunch of cash to replace it)
I agree with all. Keep it stock. I put a FMF on mine and hate it. It even has a spark arestor! Loud is okay on the street I suppose, to a point, but if you do any camping in a campground your neighbors will hate you. Load your bike up with all your fishing gear, ride it down to the boat dock at 4-5am............. Good luck!

Besides all an aftermarket exhaust will do for your bike is increase the impression ratio.
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post #8 of 36 Old 09-28-2012, 06:21 PM
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Besides all an aftermarket exhaust will do for your bike is increase the impression ratio.

I like that! Best statement about loud cans I have heard to date!

I had a stock can, wanted better flow, didn't want loud, so did it my way, just the tweety tube, increased the flow and also the slight increase in sound....not bad at all. Then still after more flow drilled out the spark arrester again increased the flow and sound, Now again same reasoning I purchased a LEXX...not much louder than my modded stock can but flows way better than any stock can could. Once you see a can opened up and see where they have the gasses forced to go you will soon understand why the stock can will never flow anywhere near what an after market can will. The LEXX is a good can for what it is a $200 slip-on with a quiet tip thrown in for good measure. I have run it without this tip in place....Holy crap batman loud is LOUD!!! It is ludicrusly loud! But it will allow your engine to process all the air it can get into it that is for sure! It is basically an open straight through pipe with a perforated pipe to try and catch some sound, it doesn't...lol. BUT it does make a noticable difference once you reinstall the quiet tip.
Now is it worth it or is it quiet enough for someone who likes the level of quiet the stock can gives you....maybe not!
If you are wanting a better flowing exhaust and are going to buy a can but just can't afford or don't want to afford the Staintune can which imho isn't that much quieter but doesn't need repacking at 3 times the price then yes it is worth it.
It is the quietest can I could find and just happens to be a cheaply priced one too. It is built pretty well, no complaints there, it doesn't need repacking as quickly as they say I have found. I thought it was getting louder so repacked mine, only to find out there was nothing at all wrong with the packing that was in it to start with, it was just that I was noticing the sound more that day and it was bothering me the more I concentrated on it. It wasn't louder it was just me. It also wasn't that difficult to do, I had never repacked an exhaust before this either.....once I got past the pissed off stage for spending money when I didn't have to it went well. I also used the best packing compared to just fibreglass bits or wading.

I think there is an even quieter tip but it would bring the flow back down to the same size as the stock exhaust hole so why bother?

Hope this helps....

Willys
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post #9 of 36 Old 09-28-2012, 09:27 PM Thread Starter
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KLR Power Mod Discussion here

It's not a Tractor....It's a LOCOMOTIVE!! Chugga Chugga
Woooo WOOOOO!!!!!

Last edited by Tom Schmitz; 09-28-2012 at 11:50 PM.
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post #10 of 36 Old 09-29-2012, 09:07 PM
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Quote:
Originally Posted by Tom Schmitz View Post
You really jacked justjeff's thread.

T
First off, my apologies Jeff.

Second, sorry Tom, appreciate the advice, wasn't meaning to jack the thread, just looking for good advice. I'll remember the info...


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