Mountain Cat 800 efi airbox mod?
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Mountain Cat 800 efi airbox mod?

This is a discussion on Mountain Cat 800 efi airbox mod? within the Arctic Cat forums, part of the Brand Specific Snowmobile Discussion category; Just picked it up with 1716 miles on it, i keep hearing about this mod but can never find the specifics on it. Can anyone ...

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Thread: Mountain Cat 800 efi airbox mod?

  1. #1
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    snake61047's Avatar
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    Mountain Cat 800 efi airbox mod?

    Just picked it up with 1716 miles on it, i keep hearing about this mod but can never find the specifics on it. Can anyone help
    snake61047

    2005 Polaris Fusion 900
    2002 Arctic Cat Mountain Cat 144 800EFI

  2. #2
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    Quinlan's Avatar
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    Inside the airbox there should be some sort of shelf and/or air horns to channel air. A lot of people would modify or remove these. The specifics beyond that I don't really recall. Digging through the forums on ArcticChat or HardcoreSledder would be a good start for information.

    This is one of those 'mods' that gets mixed reviews...half the guys saying the engine runs smoother...the other half saying they saw no gains and wasn't worth bothering with.

    In this day and age I view it as if it ain't broke, don't fix it...
    Last edited by Quinlan; 07-31-2018 at 07:41 PM.
    2016 Polaris Pro-RMK 800 163"
    1998 Arctic Cat ZR 600 EFI "Custom"
    1996 Ski-Doo Formula III 600

    A mountain lion roaming the prairie found a bull, killed it and ate the entire bull. With a heavy belly, unable to walk, the lion laid in the tall grass moaning and roaring. Soon a hunter, attracted by the roaring, shot and killed the lion.
    Moral: When you're full of bull, keep your mouth shut!

  3. #3
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    Thank you, haven't ridden it yet so i will leave her alone.
    snake61047

    2005 Polaris Fusion 900
    2002 Arctic Cat Mountain Cat 144 800EFI

  4. #4
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    Sleds tend to get louder when you open up the air box too so something to think about.
    Polaris...it IS the way out!

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