Catalytic Converter - Kawasaki Ninja H2 Forum
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post #1 of 71 Old 04-01-2015, 11:07 AM Thread Starter
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Catalytic Converter

Guys has anyone took off the slip on off yet to look in that cat or chamber? what's in there honey comb? or is it an open chamber? if its open I may leave it on because from the left side the it fits the shape of the oil pan nicely. with it off it might look funny from that side. But I don't want it restricting anything. I plan on looking in there this weekend but wanted to see if anyone has looked yet?

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post #2 of 71 Old 04-01-2015, 11:14 AM
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Havent't looked,but isn't that canister a flow deal,purely for noise emission?It has that butterfly in there that moves according to power output and all.I think the 'cat' is in the muffler?



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post #3 of 71 Old 04-01-2015, 11:44 AM Thread Starter
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Havent't looked,but isn't that canister a flow deal,purely for noise emission?It has that butterfly in there that moves according to power output and all.I think the 'cat' is in the muffler?
I'm not sure on that one Silver....I hope that is the case but not sure. if it was an open chamber I would just leave it in and take the butterfly valve out.

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post #4 of 71 Old 04-01-2015, 12:02 PM
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Yeah,I'm not sure either what's actually in there.I thought the H2R pipes were like they are because with that model,noise wasn't gonna be a limiting factor.Or a cat.They do call it a 'preflow chamber' or something right?Preflow to...the muffler and the cats in there...????



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post #5 of 71 Old 04-01-2015, 12:22 PM Thread Starter
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Yeah,I'm not sure either what's actually in there.I thought the H2R pipes were like they are because with that model,noise wasn't gonna be a limiting factor.Or a cat.They do call it a 'preflow chamber' or something right?Preflow to...the muffler and the cats in there...????
I heard its a pre flow chamber but who knows what that means....I will ask about it on the ZX10 fourm I'm on because my ZX10R had one on there before I got it and the guy took it off......

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post #6 of 71 Old 04-01-2015, 12:28 PM
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I think 'preflow' means going to the mufflers.I don't think there's a cat in there,only some finning or something.I'm no engineer,but I can't see why they would have a valve controlling airflow if there was a catalyzer(in there) doing that.My pipe right there is getting a blue tinge to it,so apparently there's something there to restrict the flow somehow.The chamber itself is staying nice and gold colored.




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post #7 of 71 Old 04-01-2015, 12:33 PM Thread Starter
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I think 'preflow' means going to the mufflers.I don't think there's a cat in there,only some finning or something.I'm no engineer,but I can't see why they would have a valve controlling airflow if there was a catalyzer(in there) doing that.

Man I hope your right because it would look a lot better if we can leave it on there.....

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post #8 of 71 Old 04-01-2015, 12:41 PM
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Seeing as how the Akrapovic slip-on is EC, EPA, CARB, and ECE compliant, I would wager the cat is in the pre-flow chamber. That being said, I've been wrong before.

Last edited by BMP_H2; 04-01-2015 at 12:42 PM.
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post #9 of 71 Old 04-01-2015, 12:47 PM
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"Man I hope your right because it would look a lot better if we can leave it on there....."...well,I've no intentions of replacing my exhaust.I like it.It's quiet.And sounds really good to me.



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post #10 of 71 Old 04-01-2015, 01:46 PM Thread Starter
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I looks like the cat is a honey comb type and its in the pre chamber. so shes gotta go...
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Last edited by Somefun; 04-01-2015 at 01:48 PM.
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