Modding Chinees spike airgilters
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Thread: Modding Chinees spike airgilters

  1. #1
    Active Member Erwin K's Avatar
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    Question Modding Chinees spike airgilters

    I'm planning on buying a set of spiked airfilters an replace the spikes with universal K&N filters.
    Has somebody done this and wich filter do you recommend ?

    2015 M109r BOSS

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    Very Active Member UVATom's Avatar
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    K&N doesn't make replacements anymore that I have found. I had to buy new ones from China

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    Active Member Fate9176's Avatar
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    I haven't replaced the filters, but I got the spikes ones off of ebay, and they were a pain to put on....Had to make adjustments on both sides.
    "Life is what you make it..."



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    Very Active Member FlyingCircus's Avatar
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    I got rid of the spikes after one fell off. The position of the set screws is childish at best. Not sure what documents the engineer forged to get the job but it's kindergarten at best. Not only that but I'd bet they don't even breath as well as stock paper filters

    Sent from my LG-H933 using Tapatalk

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    Active Member Stalker's Avatar
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    Sounds like the OP is talking about removing the spike end completely and replacing them with a aftermarket filter.

    If that is the case any filter with a 2.5 inch inlet will work.

    They come in many shapes, sizes and colors, the link below is just a few can choose from. There are many more out there as well.

    https://www.summitracing.com/search/part-type/air-filter-elements/universal/yes/inlet-flange-inside-diameter-in/2-500-in

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    Active Member Stalker's Avatar
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    The spikes are going to cost you around $100 and a good quality set of filters will cost you another $80 - $100.

    If you add $150 or so to that amount you can get a set of intakes like the ones in the link below.

    Much better quality and better bang for your buck.

    The spikes make it difficult to install OEM engine guards without making some modifications, the right spike type intake sits too far forward.

    The ones in the link below sit symmetrical on the bike and work fine with OEM engine guards.

    https://www.baronscustom.com/catalog/display/1456/index.html

  9. #7
    Active Member Erwin K's Avatar
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    Quote Originally Posted by Stalker View Post
    Sounds like the OP is talking about removing the spike end completely and replacing them with a aftermarket filter.

    If that is the case any filter with a 2.5 inch inlet will work.

    They come in many shapes, sizes and colors, the link below is just a few can choose from. There are many more out there as well.

    https://www.summitracing.com/search/part-type/air-filter-elements/universal/yes/inlet-flange-inside-diameter-in/2-500-in
    That is the idea.
    I know the Spikes aren't any good in getting the extra air in the engine.
    I only want to use the elbows and put a universal filter on them.
    It confirms my suspicion that this will work.
    It's a low budget ForceWinder copy.

    2015 M109r BOSS

  10. #8
    Active Member Fate9176's Avatar
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    Quote Originally Posted by Stalker View Post
    Sounds like the OP is talking about removing the spike end completely and replacing them with a aftermarket filter.

    If that is the case any filter with a 2.5 inch inlet will work.

    They come in many shapes, sizes and colors, the link below is just a few can choose from. There are many more out there as well.

    https://www.summitracing.com/search/part-type/air-filter-elements/universal/yes/inlet-flange-inside-diameter-in/2-500-in
    I like the idea of removing the cone and replacing it with a filter. Not sure if anyone has done that. I looked at the site and it seems the filters are held on with a one of those screw clamps. Not sure if that will be strong enough to hold the filter in place. The cone filters have a small raised lip that allow you to screw a ellen bolt into the housing behind the lip to keep the cone on. The surface area for that clamp would just be that small lip. Just something to think about if anyone has done it before. Was thinking of replacing the cones to, but worried the filter would fall off at high speeds. As another poster mentioned, if you do decide to get the cones, just keep in mind, they DO NOT sit even on both sides. The right side sits farther forward then the left, and the left points a little lower than the right. You would have to make adjustments to the mounting to make them point exactly even. I had to locktite them ellen bolts in, because as another poster mentioned, they do rattle lose and the cone will fall off. Mine did, which is why I had them sanded down and painted to match my strip. Anyway, just my 2 cents on everything. =)
    "Life is what you make it..."



  11. #9
    Active Member Fate9176's Avatar
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    Below are the pics of how they sit on my bike. If you decide to go with the ebay cheap filters, I figure you should see how they look before you make the choice. I'm sure someone out there makes a better housing for them, but for the price, it isn't to bad.


    Click image for larger version. 

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    Hope this helps in your decision.
    "Life is what you make it..."



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    Very Active Member UVATom's Avatar
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    If that is your thoughts then BCS sells some and also does ECU flashes.

    4 Sale .....Intake filters https://www.m109riders.com/forums/sh...d.php?t=345384

    I have never had any issues with my spikes and it's been probably 12 years or so now.

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    Active Member Fate9176's Avatar
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    Quote Originally Posted by UVATom View Post
    If that is your thoughts then BCS sells some and also does ECU flashes.

    4 Sale .....Intake filters https://www.m109riders.com/forums/sh...d.php?t=345384

    I have never had any issues with my spikes and it's been probably 12 years or so now.
    o wow, those look nice. I replied to the posting in that forum. Hopefully the guy still sells them. Last post was over a year ago.
    "Life is what you make it..."



  14. #12
    Very Active Member UVATom's Avatar
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    You can find him easier in Facebook or private message him. He says he checks back in from time to time. Stopped posting here a couple months ago.

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    Active Member Fate9176's Avatar
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    Quote Originally Posted by UVATom View Post
    You can find him easier in Facebook or private message him. He says he checks back in from time to time. Stopped posting here a couple months ago.
    Thank you. I PM'd him. I'll look for him on facebook to.
    "Life is what you make it..."



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    Very Active Member MrBarros's Avatar
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    Quote Originally Posted by Fate9176 View Post
    Thank you. I PM'd him. I'll look for him on facebook to.
    Here is the best way to contact BCS. [email protected]

  17. #15
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    Quote Originally Posted by MrBarros View Post
    Here is the best way to contact BCS. [email protected]
    Thank you. I got intouch with him. They don't make that filter, from his post, anymore. I got a link to another site from him and orders 2 K & N filters. We'll see how they look, they should be here tomorrow.
    "Life is what you make it..."



  18. #16
    Very Active Member Cormierone's Avatar
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    Default K&N filters to replace the spike filters

    Here are the ones I used to replace the spike filters RC-3680 K&N UNIVERSAL CLAMP-ON AIR FILTER
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Cormierone; 3 Weeks Ago at 10:22 PM.
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  19. #17
    Active Member Fate9176's Avatar
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    Quote Originally Posted by Cormierone View Post
    Here are the ones I used to replace the spike filters RC-3680 K&N UNIVERSAL CLAMP-ON AIR FILTER
    I kind of got the ones you got. Mine are more circular. Just put them on today, and I have to admit, I notice a little better acceleration. Not sure if those spike ones were just not giving enough air or not. In case the poster wants to know what it looks like on those ebay spike mounts. Below is what it looks like on mine now.

    Click image for larger version. 

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    "Life is what you make it..."



  20. #18

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    Save your money and buy K$N replacement filters

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