Catalytic converter? - Kawasaki KLR 650 Forum
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post #1 of 11 Old 06-19-2017, 08:01 AM Thread Starter
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Catalytic converter?

Can someone point out where the Catalytic converter is in this video, or is there NOT one?


2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1
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post #2 of 11 Old 06-19-2017, 09:46 AM
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No catalytic converter in that exhaust/muffler.
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post #3 of 11 Old 06-19-2017, 10:48 AM
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The catalytic converter was added around mid 2010 IIRC.

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post #4 of 11 Old 06-19-2017, 10:49 AM
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post #5 of 11 Old 06-19-2017, 12:56 PM
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Dan,
I believe the gentleman in your supplied video is from Australia or New Zealand, so probably an Aus. spec muffler.

pdwestman
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post #6 of 11 Old 06-19-2017, 05:09 PM Thread Starter
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Quote:
Originally Posted by pdwestman View Post
Dan,
I believe the gentleman in your supplied video is from Australia or New Zealand, so probably an Aus. spec muffler.
That's what I was thinking also. Interesting all the same what all is in that monster , and all the via's the exhaust takes!

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1

Last edited by dan filipi; 06-19-2017 at 05:23 PM.
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post #7 of 11 Old 06-19-2017, 06:03 PM
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We never seem to consider that a 318 Dodge V8 which is about the same bore and stroke as our single cylinder KLR650 can exhale thru a 2-1/2 inch tail pipe, the KLR can quietly exhale thru the convoluted OEM muffler fairly well.

A mere 1/2 inch larger hole in a KLR stock muffler does make a fairly quiet difference.

pdwestman
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post #8 of 11 Old 06-19-2017, 06:26 PM Thread Starter
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Quote:
Originally Posted by pdwestman View Post
A mere 1/2 inch larger hole in a KLR stock muffler does make a fairly quiet difference.
1/2 inch "larger" hole, where and for what reason?
Any pics or videos?

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1

Last edited by dan filipi; 06-20-2017 at 07:51 AM.
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post #9 of 11 Old 06-21-2017, 06:04 PM Thread Starter
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Exhaust sounds

Seems at least one fellow on this forum feels the stock exhaust is fine or better with some mystery hole "a 1/2 inch larger".

Well this is for the others that like to mod stuff like me, experiment, and can't leave well enough (?) alone Lol.

No muffler...


Lexx without spark arrestor or tip...


Lexx with spark arrestor and tip...


Stock lawn mower... er I mean KLR muffler ew ....


2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1

Last edited by dan filipi; 06-21-2017 at 06:17 PM.
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post #10 of 11 Old 06-21-2017, 08:20 PM
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Dan, I'd love to see the 'blue-flame' at night from video #2. I think it is kinda' cool.

As to the "1/2 inch larger hole", did you not notice the 1/4 inch depression around the existing OEM muffler outlet?
One needs about 6-7 inches of tubing cut from a corner of like exercise equipment from the local salvage yard or land-fill scrap metal pile. And a flat metal plate about 3.5 inches in diameter. Drill a hole in the middle. We need about 3 inches of straight tubing sticking inside of the muffler (for the spark arrestor to function), with the curved portion pointing down and out. Weld the curved pipe into the center of the flat plate. Use RTV silicone between flat plate and end of muffler, No Bolts Required!
Sorry I personally can Not do pics.

pdwestman
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