P500 K&N Air Filter

[Deleted member 3748]

It looks like what I used is the best choice at this time.

Filter - K&N HA-5015 Replacement Air Filter, Replacement Filters
Precharger - K&N 22-8020PK Air Filter Wrap, Filter Wraps
Gorilla tape - https://www.amazon.com/Black-Gorilla-Tape-1-88-Roll/dp/B000CSS8UE/?tag=sxsweb24-20

 

[Admin]

 

[solrus]

Prehcarger list K&N Air Filter Wraps

Let me know what u think

few options:

- A - K&N RF-1001DK Air Filter Wrap, Filter Wraps
- B- a bit longer K&N RC-5040DK Air Filter Wrap, Filter Wraps

 

[solrus]

I think RF 1001 is the closest by dimensions to what you have used

 

[Deleted member 3748]

I think RF 1001 is the closest by dimensions to what you have used

I saw a few dry chargers that have open tops. I agree the RF 1001 looks like the right size, but I wonder what this means
Footnote 1 Base Has 19/32" Vent

 

[Deleted member 3748]

This one is real close. The height is just a tiny bit more than the filter.
K&N KA-7408DK Air Filter Wrap, Filter Wraps

 

[solrus]

ok, ordered RF 1001 , will find out next week.

 

[solrus]

It works!!!

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[Deleted member 3748]

Perfect!

 

[Jshell3]

I don't understand. What's the purpose for cutting off airflow around the filter? Or is the liner material breathable with an advantage reduction of particle size?

 

[solrus]

Yes it breathable , KN came i guess to trap bigger particles with high flow filter

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[Deleted member 3748]

I don't understand. What's the purpose for cutting off airflow around the filter? Or is the liner material breathable with an advantage reduction of particle size?

Just in case you didn't know... the clear plastic will be removed.

 

[solrus]

Yes, I showed it right out of the box, sorry

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[FuzzyGrub]

Do you notice any difference with the K&N? Throttle response? Idle RPMS?

 

[solrus]

Have not installed it yet. Just cut my front shock mounts , will try to put it today. Another thing that p500 exhaust restricted by opening pipe, I think I will open it at leat to 1.5"

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[solrus]

I decided to try the K&N air filter. I've had good luck with them on everything else in the past and this should be no different. But, I'll keep an eye on it in the coming weeks and report back if I see any debris getting to the inside of the filter.

This is what comes in the box. (1) air filter, (2) 90 degree elbows, and (1) tube for the crankcase vent.

View attachment 20075

Installation was super easy. This is how I did it...

1) Clean the air box before removing the stock air filter so none of the crap falls inside.

View attachment 20076

2) Remove stock air filter and set the hose clamp and the plastic holder aside. You will reuse them with the K&N filter.

3) Locate the crankcase breather tube on the driver side of the air box. Remove the plastic collar from the end of the tube. If you pull on it, you'll just be pulling the breather tube. I got my fingernails underneath the lip and pried it out while holding the tube with my other hand. Collar is pictured below.

View attachment 20077 View attachment 20078

4) Install one of the 90 degree elbows into the end of the breather tube. The end that had the collar you just removed.
5) Connect the K&N supplied hose to that elbow.

View attachment 20079

6) Install the hose clamp over the opening in the air box. The K&N filter fits inside of this opening. I don't like that the air filter goes inside of the opening but it shouldn't be a problem... I just wish it went around the opening to provide a better shield against debris getting past the filter.

View attachment 20080

7) Install the other 90 degree elbow into the top of the filter, then connect the hose to that elbow. You now have a hose connected between the crankcase breather elbow and the elbow in the top of the filter.

View attachment 20081

8) Install the filter into the air box with the flat metal side facing the driver side. Tighten the hose clamp and make sure filter is secure. Check the hose fittings at each elbow and check the elbows to be sure everything is inserted properly.

View attachment 20082

9) The filter has grooves in the top that match the grooves in the top of the air box. Insert the plastic holder making sure it's in the grooves of the filter and the air box.

View attachment 20083


And you're done. Total time was about 15 minutes, including photos.

Did it today, but I ended reversing step 8 and 9, and inserted plastic top holder to align and hold filter and then tighten hose clamp.

Also installed it with KN pre filter .

I did not clean my air filter for about 500 miles, it was super nasty inside, and all dust was sticky and oily , I'm thinking of relocating air intake to reduce choking all the dust and installing intake filter.

 

[Alan aka Davinci]

So, after some of you have use the K&N air filter from some time what are the pro and cons? I don't much care for the stock filter put if the K&N does a good job I would buy one in spite of the Price. The thing that bothers me is its not a 360 degree filter and solid on the one side, does that hose replacement add enough air to make a difference and has anyone use the outerware cover on their filters?

 

[Deleted member 3748]

Good timing with your question as I just did my first filter wash 10 minutes ago. I forgot when I put it on but it had to be 400-500 miles ago. I haven't noticed any cons except for the filter flange going inside the intake tube. I really wish it was outside. You have to clean the airbox the best you can before you remove the filter to prevent debris from falling down the intake tube. I wiped out the intake tube with a clean, oiled cloth to remove anything that may have made it's way in there.

As @solrus said above, the intake tube needs to be relocated, but that is the case with any filter you use. The air box was a mess! I'm going to be snorkeling in the near future just because of the sand.

So... on to the first filter wash. (next post)

 

[Deleted member 3748]

Have a group ride next week and I decided I should check the air filter. I think it's been 400-500 miles since I installed the K&N and this is the first cleaning.

Outside of the air box


Inside of the air box was a mess


I cleaned it out the best I could before removing the filter. The filter was also a mess, but that's a good thing.


The inside of the filter is as clean as the day I installed it.


There is still a lot of sand and dust behind the filter that I couldn't get to with the filter in place. This is the reason I'll be snorkeling soon.


I put a ziploc bag over the intake tube and installed the filter clamp to help hold it in place. I used the bristle attachment on the Shop Vac so I didn't accidentally suck the bag off with the vacuum. I also held the bag down with my fingers while I carefully vacuumed.



After


The filter cleaned up real nice. I can't oil it until it dries... tomorrow.

 

[Mudder]

Thanks for all the detailed pics and instructions PistonHonda!

 

[Deleted member 3748]

You're welcome!