K&n hd-4915 - Harley Davidson Street Forum - Street 500 and 750
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post #1 of 11 Old 12-05-2016, 04:16 PM Thread Starter
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K&n hd-4915

I upgraded my exhaust to a TBR Comp S and was planning on doing the intake over the winter. My original plan was to do the HD Extreme Billet Chisel kit but now I'm considering just keeping the stock air box and dropping in a K&N HD-4915. Does anyone now if it is truly a high flow air filter that will get me the performance boost I'm looking for? I've decided that I want to keep the cost down as I will probably move up to a bigger bike in the next couple of years and don't really want to lose my ass on all the upgrades to the street.
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post #2 of 11 Old 12-06-2016, 05:41 PM
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What is a K&n h-d4915?

Just curious
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post #3 of 11 Old 12-06-2016, 05:57 PM
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an air filter ,,,,, google is you best friend
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post #4 of 11 Old 12-07-2016, 07:38 AM
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The K&N flows better. But it will be limited to the amount of air entering the opening of the air box.

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post #5 of 11 Old 12-07-2016, 08:35 AM Thread Starter
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Originally Posted by Tucsonmax1 View Post
The K&N flows better. But it will be limited to the amount of air entering the opening of the air box.
That's what I was thinking. Thanks
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post #6 of 11 Old 12-07-2016, 10:44 PM
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I've had an K&N HD-4915 on my Street 750 for some time now. I got it so I wouldn't have to change filter as often as the stock air filter with a Firebrand loose Cannon slip on exhaust. The best performance enhancer I found to date without adding an FP3 was adding Bel-Ray fuel conditioner. The one ounce to 5 gallons of fuel does the trick.
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post #7 of 11 Old 12-08-2016, 07:46 AM
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What I like about the K&N is, You can use Low Pressure air to blow out big junk. Grass, Bugs, Etc. Went to blow mine out one day, Found one of the Back Plate Mounting Screws only held in by a couple of threads. Some here had a problem when their screw got sucked into the Intake. Mine was the Screw on the Front Cylinder.

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post #8 of 11 Old 12-08-2016, 08:19 AM Thread Starter
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Originally Posted by Solo750owner View Post
I've had an K&N HD-4915 on my Street 750 for some time now. I got it so I wouldn't have to change filter as often as the stock air filter with a Firebrand loose Cannon slip on exhaust. The best performance enhancer I found to date without adding an FP3 was adding Bel-Ray fuel conditioner. The one ounce to 5 gallons of fuel does the trick.
I think I'll give the K&N HD-4915 a shot then. I already have the FP3 which was definitely worth the cash spent. Thanks for the input!
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post #9 of 11 Old 12-08-2016, 08:19 AM Thread Starter
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Originally Posted by Tucsonmax1 View Post
What I like about the K&N is, You can use Low Pressure air to blow out big junk. Grass, Bugs, Etc. Went to blow mine out one day, Found one of the Back Plate Mounting Screws only held in by a couple of threads. Some here had a problem when their screw got sucked into the Intake. Mine was the Screw on the Front Cylinder.
I'll definitely check the mounting bolts when I drop in the filter. Thanks for the heads up!
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post #10 of 11 Old 02-14-2017, 10:06 PM Thread Starter
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Dropped in the Hd4915 tonight and loaded a new map to my FP3. It's going to be a long couple of months until I can take her out. Grrrrrr
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