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Old 06-25-2008, 11:14 AM   #1
drewbies600
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air filter question

using stimulous check for exhaust plannin to get pcIII is a bmc air filter or k&n worth gettin? what about plugs?
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Old 06-25-2008, 11:54 AM   #2
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??
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Old 06-25-2008, 11:57 AM   #3
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A better air filter is always worth gettin
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Old 06-25-2008, 12:01 PM   #4
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For honda k&n is the way to go. For yami bmc is better. Reusability is really the only advantage.
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Old 06-25-2008, 12:18 PM   #5
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what about spark plugs?
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Old 06-25-2008, 12:47 PM   #6
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BMC air filters are better quality than K&N IMO.
As far as plugs, NGK.

How many miles are on your bike?
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Old 06-25-2008, 12:49 PM   #7
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For honda k&n is the way to go. For yami bmc is better. Reusability is really the only advantage.
Couldn't be more wrong.

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BMC air filters are better quality than K&N IMO.
As far as plugs, NGK.

How many miles are on your bike?
Nicely done, once again Patrick.
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Old 06-25-2008, 12:50 PM   #8
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That's my next planned mod. You guys stock BMCs for an '07 R6S, Patrick?
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Old 06-25-2008, 12:52 PM   #9
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That's my next planned mod. You guys stock BMCs for an '07 R6S, Patrick?
Bet they don't. Call him up and ask. Quickest for you.
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Old 06-25-2008, 01:04 PM   #10
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got little more than 6k on the bike
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Old 06-25-2008, 06:33 PM   #11
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Couldn't be more wrong.



Nicely done, once again Patrick.
UMMM Actually the BMC fits the Yami better than the K&N doesn't really have to do with quality both are nice filters. And the K&N fits the Honda better. Facts are facts on that. And yes I have owned both. And tried both.
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Old 06-25-2008, 06:46 PM   #12
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Tape up your mouth and put a small slit in the center for a straw. See how the 'exhaust' looks after a few days.... If you can't suck it in, you can't squirt it out the rear, no matter how big that exhaust might be.
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Old 06-25-2008, 08:36 PM   #13
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UMMM Actually the BMC fits the Yami better than the K&N doesn't really have to do with quality both are nice filters. And the K&N fits the Honda better. Facts are facts on that. And yes I have owned both. And tried both.
My BMCs fit MY Honda quite well, and gave the "seat" dyno quite the bump over the KnN.

FWIW, the new (to here) DNA filters are supposed to be the cat's meow.
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Old 06-25-2008, 08:43 PM   #14
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i have always heard

"k&n and BMC dont do anything unless you have full exhaust"

opinions...
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Old 06-25-2008, 10:04 PM   #15
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i have always heard

"k&n and BMC dont do anything unless you have full exhaust"

opinions...
Horse hockey
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Old 06-25-2008, 10:12 PM   #16
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bmc are better for motorcycle applications.
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Old 06-25-2008, 10:13 PM   #17
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Get it in, get it out.

Almost all performance modifications are to get air in and out of an engine. No don't go there, I know there's programming, fuel blah blah. That stuff is fairly simple... Air is harder... Nitrous, turbos, superchargers... A more breathable air filter helps, but you still need to get those gases out... If it is restricted, the fresh air entering the cylinder will be choked by the exhaust that is being restricted from releasing. BMW cars do this purposely to save gas and not to have to use an EGR system but changing the timing of the exhaust camshaft while running at a cruising speed.

In all honesty, a stock system will flow enough to not cut the performance of an air filter. If it did, there are some serious limitiations to that bike and the engineers need to be hung for not providing power for the consumer.
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Old 06-25-2008, 10:13 PM   #18
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There is some evidence of an aftermarket filter actually dropping horses. Seen it posted a # of times from dyno sheets on the R1 forum actually. Just what's been posted on another forum. I am quite happy with my BMC on my yami. As stated before the best benefit of the aftermarket filter is the reusability. IMO.
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Old 06-25-2008, 10:18 PM   #19
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I have BMC...

I heard stacks can hurt some bikes.... Unless the dynos were dont same day, back to back I would be skeptical.
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Old 06-25-2008, 10:20 PM   #20
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I have BMC...

I heard stacks can hurt some bikes.... Unless the dynos were dont same day, back to back I would be skeptical.

Now you are talking velocity stacks? Yes? The 07/08 R1 don't need em because of the YCC-T (variable throttle bodies)
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