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Aircleaner

Sportster Models

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Old Oct 30th, 2009, 06:45 AM     #1
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Aircleaner

Hello folks
I'm thinking about getting a "Heavy breather" for my XL1200.
Has anybody got any advice or opinions? Or can you suggest a better aircleaner?
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Old Oct 30th, 2009, 06:58 AM     #2
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Re: Aircleaner

i have the heavy breather and it works perfectly even in the rain
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Old Oct 30th, 2009, 10:25 AM     #3
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Re: Aircleaner

I like my HD Heavy breather function prefectly looks good what more can you ask for
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Old Oct 31st, 2009, 12:53 AM     #4
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Re: Aircleaner

Two additional advantages are it gives more right knee clearance and uses a K&N reusable filter element...not a bad investment and as Smitty says they look good too...HD even offers a Willie G. medallion trim for added *bling*!
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Old Nov 3rd, 2009, 12:17 PM     #5
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Re: Aircleaner

Thanks for the feedback.I just bought the heavy breather on E-bay and I'm waiting for delivery.I'll let you know how it's going when I fit it.
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Old Nov 3rd, 2009, 12:35 PM     #6
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Re: Aircleaner

Do those heavy breather air filters really trap all the sand and dirt like the stock unit does? I know that the manufacture claims they are even better than stock but I wonder about dirt ingestion into my cylinders. I can't see having more flow without giving up some "fine filtering" capability.

What am I missing.
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Old Nov 3rd, 2009, 12:37 PM     #7
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Re: Aircleaner

the dirt seriously they stop dirt i ride mine in the rain and have not had any issue
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Old Nov 3rd, 2009, 01:03 PM     #8
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Re: Aircleaner

If it says K N it will trap al the dirt and still breathe better than stock plus it has a 1,000,000,000 mile warranty Ive never had issues with a K N filter been running them for years the first thing I change on my bikes when I get them home
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Old Nov 3rd, 2009, 01:35 PM     #9
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Re: Aircleaner

I just wondered how well they really trap the fine particles. Unless the filter has a ton more surface area than the stock unit, I can't see how they can. But I am sure they allow more unrestricted air flow into the engine. My experience does not apply to bikes, K&N or Screaming Eagle products but as far as automotive race engines, you always paid a price to have more air flow with low restriction air cleaners. The price was piston ring and cylinder wall wear.

But that was years ago and maybe they have that issue solved.
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Old Nov 3rd, 2009, 01:38 PM     #10
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Re: Aircleaner

The K&N in the SE kit is a bit more than twice the height of the stock unit.

CFM ratings of Air Filters - Harley Davidson Community
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