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Apex Air box mods

Discussion in '4 Stroke Air Intake' started by Nervous Nytro, Nov 18, 2010.


  1. Nervous Nytro

    Nervous Nytro Newbie

    Messages:
    19
    Location:
    Holland, MI
    I want to open things up on my 07 Apex, who has the best air box mods for the Apex? What prevents me from cloning an airbod design? Is there a noticeable performance advantage in doing this?

    Thank you
     
  2.  

  3. ryama

    ryama Pro

    Messages:
    172
    Location:
    Kitchener Ontario
    Country:
    Canada
    Snowmobile:
    Sidewinder R-TX
    LOCATION:
    Kitchener
    Well I don,t know which mod is best. But most guys seem to think the air box lid "Ram Air Mod" makes the most power. And there is a full article about it on here if you do a search. Does any one know if the lid can be removed from the box with out taking off the headlight assembly?
     
  4. shadow44

    shadow44 TY 4 Stroke God

    Messages:
    2,631
    Location:
    Ontario
    Contact Ulmer Racing, seems to be the most popular, proven, reliable and trusted of any used on here...plus his customer service is top notch!
     
  5. YamerHammer

    YamerHammer Expert

    Messages:
    229
    Location:
    Saskatoon, SK
    To be honest with you.....I have tested ram air and ulmers box. There isn't abit of differents as far as power goes between the two. I don't really care about top end (as you might have noticed back country 1 3/4 top end killer) so that is where the differents might be. I have even tryed both at once. I do alot of off trail riding and with ulmers modded box it sucks snow into the foam filter and freezes it up and makes your sled eat oil use a large amount (1 quart per 100 miles). On other hand the ram air is alot noiser (if it bothers you). So both have there pros and cons.
     
  6. **sj**

    **sj** Lifetime Member Lifetime VIP Member VIP Member

    Messages:
    6,033
    Location:
    southeastern Mich
    Country:
    USA
    Snowmobile:
    2019 SRX
    did my own....worked great..
     
  7. Darren Betker

    Darren Betker Expert

    Messages:
    275
    Location:
    Dryden
    Country:
    Canada
    Snowmobile:
    apex gt
    how?
     

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