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BIKELAND > FORUMS > ZX-14.com > Thread: BMC vs K&N NEW TOPIC NEW POLL POST REPLY
Flame On


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posted October 19, 2009 06:48 PM        Edited By: Flame On on 20 Oct 2009 02:52
K&N HORSEPOWER GUARANTEE

http://www.knfilters.com/HPGuarantee.htm

You should fax the Dyno sheets to them or post them


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INTIMIDA2OR


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posted October 19, 2009 07:12 PM        
quote:
K&N HORSEPOWER GUARANTEE

http://www.knfilters.com/HPGuarantee.htm

You should fax the Dyno sheets to them or post them



Why waste time , eBay the K&N and by a BMC . Besides BMC is a motorcycle only filter company correct? K&N makes stuff for everything.
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*Lee*

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INTIMIDA2OR


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posted October 19, 2009 07:14 PM        
quote:
BMC street is the ducks nuts!!!

I've heard of the cats ass but the ducks nuts !?lol!

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*Lee*

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dcjens


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posted October 19, 2009 07:40 PM        
I have 20k with a stock no-screen filter. I've checked and cleaned it every 5k or so. It's always pretty dirty. I've had many K&N filters on other bikes with great results
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Douglas Home


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posted October 19, 2009 07:45 PM        
We have the "ducks nuts" on everything here in Oz!!!
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Doug Mackay Australia

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INTIMIDA2OR


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posted October 19, 2009 08:15 PM        
quote:
We have the "ducks nuts" on everything here in Oz!!!

Lmao just read your sig . I didn't know you we're down under . Now that I think of it , I remember the goose in Madmax saying something was the "ducks nuts" . Never knew what he meant till now lol
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*Lee*

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Flame On


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Fuel Air & Spark
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posted October 19, 2009 08:51 PM        
quote:
I have 20k with a stock no-screen filter. I've checked and cleaned it every 5k or so. It's always pretty dirty. I've had many K&N filters on other bikes with great results


We were all doing that back in 06 it took us a year 1/2 to get BMC aftermarket air filter available
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INTIMIDA2OR


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posted October 19, 2009 08:57 PM        
Oh yeah another thing I don't like about K&N, they couldn't even give us a date when their filter was coming out for the 14! Took them forever and a year. BMC had them out pretty quick and I got one as soon as they were available. K&N still took another year after before the finally had theirs available. BMC K&N
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*Lee*

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fasterspider


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posted October 19, 2009 09:06 PM        
[quote="INTIMIDATOR"]
quote:
Not being a smart ass but have you worked at shop with a expensive Dyno and really watched this being done? A new Stock throw away filter did Not make more HP then a K&N
on this test on that ZX-9R.

Yes I've seen it at my buddys shop with my 14 and it happened on my other buddies blackbird. 10hp loss on the blackbird and almost 8 hp with mine . It's not the same results with all bikes I know but I'm done with K&N.


Yeah Lee, it was my 2001 CBR1100XX Blackbird that lost power with a K&N filter. Put the Honda paper filter back in and it was like friggin magic, 131.7 RWHP up to the 137 RWHP she has now.
K&N can bite my glorious candy glory red ass.
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Ray #1

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Flame On


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posted October 19, 2009 09:18 PM        
Hey fasterspider came to join the circus Welcome!!!
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INTIMIDA2OR


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posted October 19, 2009 10:11 PM        
quote:
[quote="INTIMIDATOR"]
quote:
Not being a smart ass but have you worked at shop with a expensive Dyno and really watched this being done? A new Stock throw away filter did Not make more HP then a K&N
on this test on that ZX-9R.

Yes I've seen it at my buddys shop with my 14 and it happened on my other buddies blackbird. 10hp loss on the blackbird and almost 8 hp with mine . It's not the same results with all bikes I know but I'm done with K&N.


Yeah Lee, it was my 2001 CBR1100XX Blackbird that lost power with a K&N filter. Put the Honda paper filter back in and it was like friggin magic, 131.7 RWHP up to the 137 RWHP she has now.
K&N can bite my glorious candy glory red ass.

There ya go an actual case of lost HP! Welcome to bikeland Ray
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*Lee*

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LAB3


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posted October 20, 2009 07:14 AM        
quote:
quote:
Not being a smart ass but have you worked at shop with a expensive Dyno and really watched this being done? A new Stock throw away filter did Not make more HP then a K&N
on this test on that ZX-9R.

Yes I've seen it at my buddys shop with my 14 and it happened on my other buddies blackbird. 10hp loss on the blackbird and almost 8 hp with mine . It's not the same results with all bikes I know but I'm done with K&N.




So....you are saying if I install a stock paper air filter I will gain 8 HP over my K&N?

Today I will pull my K&N and do some roll on's with my friends 2006 14 and see what happens. We run almost even in all roll on's 2nd gear at 70 and hit it and then in 6th at 70 and hit it. The rolling Dyno IS the Test. I will post what happens. I think NOT but I will test
your stattement.......... 8 HP gain will show up on the street.

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Shane661


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posted October 20, 2009 08:01 AM        Edited By: Shane661 on 20 Oct 2009 16:23
I find it highly unlikely that a properly oiled K&N filter would cost you 8 hp compared to the stock setup in same day/same bike testing. Anyone can look at the stock filer and see that the metal screen restricts flow:



Do you really think a K&N will cost you 8 hp compared to that? The differences in all of these filters are likely in the 1-3 hp range. All that being said, if you have same day/same bike dyno charts with your 14 showing this 8 hp loss...I'd love to see them!

I have used K&N's in many bikes with good success on the street and track. When I go to the track these days, however, I run no filter. I have a BMC "Race" (oh, be careful...it will wear your motor out!) here, but it sits on the shelf a lot.

Shane

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INTIMIDA2OR


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posted October 20, 2009 02:36 PM        

quote:
quote:
quote:
Not being a smart ass but have you worked at shop with a expensive Dyno and really watched this being done? A new Stock throw away filter did Not make more HP then a K&N
on this test on that ZX-9R.

Yes I've seen it at my buddys shop with my 14 and it happened on my other buddies blackbird. 10hp loss on the blackbird and almost 8 hp with mine . It's not the same results with all bikes I know but I'm done with K&N.




So....you are saying if I install a stock paper air filter I will gain 8 HP over my K&N?

Today I will pull my K&N and do some roll on's with my friends 2006 14 and see what happens. We run almost even in all roll on's 2nd gear at 70 and hit it and then in 6th at 70 and hit it. The rolling Dyno IS the Test. I will post what happens. I think NOT but I will test
your stattement.......... 8 HP gain will show up on the street.


Post the results I wanna hear what happens! It might be just my 14 with the power loss but I just had slipons ,flies out and no PC and tried the K&N . Got like 150hp. Before that when I went on kerry bryants dyno I had slipons ,flies out, no pc, and the stock filter and
it made 157.8 hp.
I don't know what it makes with the BMC that's in it now but it feels stronger than the K&N and the stock filter.
Now check this out . The Blue 14 I ride has the same slipons I got and stock filter,no pc , and flies out and its faster than my bike in the 1/8th!
What gives ? My bike was built on a friday . I still will take the BMC over the K&N!


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*Lee*

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INTIMIDA2OR


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posted October 20, 2009 02:54 PM        
quote:
I find it highly unlikely that a properly oiled K&N filter would cost you 8 hp compared to the stock setup in same day/same bike testing. Anyone can look at the stock filer and see that the metal screen restricts flow:



Do you really think a K&N will cost you 8 hp compared to that? The differences in all of these filters are likely in the 1-3 hp range. All that being said, if you have same day/same bike dyno charts with your 14 showing this 8 hp loss...I'd love to see them!

I have used K&N's in many bikes with good success on the street and track. When I go to the track these days, however, I run no filter. I have a BMC "Race" (oh, be careful...it will wear your motor out!) here, but it sits on the shelf a lot.

Shane

I have the charts but they weren't same day same dyno charts .
Its possible I loss 8 hp going from dyno to dyno.
But still I'd rather have the BMC after using it. The quality looks better when compared to the K&N. The sealing red rubber is way softer and seals up better than the K&N .I don't see the dirt build up in the air box like I did with the K&N . The dirt in the airbox alone would sell me !
HP wise who knows why I lost 8hp , my bike was built on a friday ! But almost 45,000 on the BMC I love my air filter
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*Lee*

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Flame On


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posted October 20, 2009 03:02 PM        
I just had my 14 on a Dyno with a K&N air filter it was a shoot out I did 181.1 HP and won the shootout by 1.3 HP over a nice Busa
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Flame On


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posted October 20, 2009 03:07 PM        

Do you really think a K&N will cost you 8 hp compared to that?

I think those guys were burning the pipe to much LOL

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INTIMIDA2OR


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posted October 20, 2009 03:07 PM        
Must've been an 08 or 09 busa cause the earlier ones wouldn't have come close..
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*Lee*

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posted October 20, 2009 03:11 PM        
Yep You missed out on my Wynn powersport sponsored shoot out Lee it was a blast
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Flame On


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posted October 20, 2009 03:12 PM        

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Flame On


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Fuel Air & Spark
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posted October 20, 2009 03:13 PM        

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Flame On


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posted October 20, 2009 03:15 PM        
We will have another next month so be there but beware of my 181 HP beast
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INTIMIDA2OR


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posted October 20, 2009 03:31 PM        
quote:
Yep You missed out on my Wynn powersport sponsored shoot out Lee it was a blast

Yah was set to go but didn't get paid like I was supposed to so oh well I'll catch the next one.
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*Lee*

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INTIMIDA2OR


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posted October 20, 2009 03:35 PM        
quote:
We will have another next month so be there but beware of my 181 HP beast

Well I won't be winning anything with my 157 hp but it should be fun just the same
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*Lee*

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Flame On


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posted October 20, 2009 03:37 PM        
Ya thats what the Wynn ZX14 had with just slip ons
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