 Bellmouth: Uni vs. K&N
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It seems almost everyone who removes their snorkel replaces their air filter with a single Uni rather than a single K&N. When it comes to seperate pods, the K&N rules the day but Uni seems more popular for the one peice replacement. Any particular reason? Does the Uni fit better? Or is it because this is a bang for your buck kind of mod and the Uni a less expensive?
NOTE: This is not intended to be a "my filter is better than your filter" debate. I just just wondering about the apparent discrepency between the two styles.
Thanks, Jim
Last edited by freddyknuckles; 05/13/2010 11:37 AM.
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Re: Bellmouth: Uni vs. K&N
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Joined: Apr 2007
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Loquacious
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Loquacious
Joined: Apr 2007
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The uni is half the price.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: Bellmouth: Uni vs. K&N
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Joined: Feb 2005
Posts: 988
3/4 Throttle
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3/4 Throttle
Joined: Feb 2005
Posts: 988 |
I set my carbs after installing a UNI filter and then I got a good deal on a K&N filter and after installing the K&N I went back to the UNI filter. It could be my imagination but my bike seems to run better with the UNI filter. Just my opinion.
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Re: Bellmouth: Uni vs. K&N
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Joined: Mar 2005
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Oil Expert
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Oil Expert
Joined: Mar 2005
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"... almost everyone..."
Hmmm don't know where you got that info from. I run with a bellmouth and K&N - no dramas at all.
Cheers, Richard
~~~~~~~~~~~~
09 America, Staintune Pipes, K&N, Breathe, Hagon Nitros, AI & O2 removed, tune 20184 (modified), MTX-L a/f gauge
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Re: Bellmouth: Uni vs. K&N
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Joined: May 2008
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Me too. 
Bill.
"I spent a lot of money on booze, birds and fast cars. The rest I just squandered."
-George Best
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Re: Bellmouth: Uni vs. K&N
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Joined: Feb 2008
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Loquacious
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Loquacious
Joined: Feb 2008
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As a general rule Uni pods flow better than K&N pods, as confirmed by A/F meter.
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Re: Bellmouth: Uni vs. K&N
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Joined: Oct 2009
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+1 K&N, more out of habit than performance... I've run them in every bike I've owned so I have lots of oil and cleaner left overs. Never an issue.
2010 EFI Speedmaster,AI Removed,Polaris Belmouth,K&N,Long TORs,Rivco Risers,a clock and a Roadster screen.
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Re: Bellmouth: Uni vs. K&N
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Joined: Apr 2007
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Complete Newb
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Complete Newb
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What is meant by Bellmouth?? I just removed my air box and I want to go with 2 Uni pods, anybody know what model # I need.
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Re: Bellmouth: Uni vs. K&N
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Joined: Feb 2008
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Loquacious
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Loquacious
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Quote:
...I want to go with 2 Uni pods, anybody know what model # I need.
UP-4229
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Re: Bellmouth: Uni vs. K&N
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Joined: Oct 2009
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What is meant by Bellmouth?? If you only remove the snorkle tube from the top of the airbox, most replace it with a either Polaris or the more expensive Norman Hyde version. Its just a short, wide open tube that directs more air into the air filter and seals the gap between the cover and the filter. **If you have removed the airbox completely...you don't need one.
2010 EFI Speedmaster,AI Removed,Polaris Belmouth,K&N,Long TORs,Rivco Risers,a clock and a Roadster screen.
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Re: Bellmouth: Uni vs. K&N
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Joined: Apr 2007
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Complete Newb
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Complete Newb
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Re: Bellmouth: Uni vs. K&N
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Joined: Jul 2008
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Quote:
"... almost everyone..."
Hmmm don't know where you got that info from. I run with a bellmouth and K&N - no dramas at all.
You took that out of context. I said "It seems almost everyone"
That's just an observation from doing lots of reading and browsing the forums on the subject. Based on that I've seen more about the Uni/Bellmouth combo. That's all. I know many run the K&N, yourself included.
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Re: Bellmouth: Uni vs. K&N
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Joined: Aug 2005
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Loquacious
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Loquacious
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Quote:
What is meant by Bellmouth??
If you only remove the snorkle tube from the top of the airbox, most replace it with a either Polaris or the more expensive Norman Hyde version. Its just a short, wide open tube that directs more air into the air filter and seals the gap between the cover and the filter.
To clarify, if you remove the snorkel, you do not have to have a bellmouth. You can just leave the opening alone. Adding a bellmouth slightly increases airflow beyond that of removing the snorkel.
Bob
2005 America, 904cc - sold. 2014 Trophy SE.
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Re: Bellmouth: Uni vs. K&N
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Joined: Oct 2010
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Complete Newb
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Complete Newb
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Sorry for dredging up (or is it exhuming?) an old post, but I would have thought that the answer was that the Unis are, and look, cheaper (but may flow better) so are more popular in hidden applications whereas the K&Ns are far better looking and so are more popular in applications where they are on display.
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Re: Bellmouth: Uni vs. K&N
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Is there any data on which is better??  Cause I'll just go cheap and get the Uni...then there leaves more $$$ for other stuff
Are we there YET? I gotta go pee!!
08 SpeedMASTER, Black and Red!
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Re: Bellmouth: Uni vs. K&N
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Quote:
Cause I'll just go cheap and get the Uni...then there leaves more $$$ for other stuff
+1 
2005 Speedmaster, Tornado Red, AI removed, Uni Pods, JCW 19" turnouts
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