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Air Box Mods

Discussion in 'Cal 1400 8V' started by dte8dom, May 22, 2017.

  1. dte8dom

    dte8dom Just got it firing!

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    I got Todd's fuel mods and I am about ready to open it a little more. I plan on removing the cats & baffles this weekend along with opening up the air box lid. For those that have modded the air box, do you have any info on what you did, specifically how much you removed? Looking at the box I'm thinking remove the 2 rubber elbows on each side and then take out the material between the holes. This looks to be roughly 4" x 2" and I figure to open that up a little more. Is this about enough? I was guessing that I would need to remove an area around 4"x4". On my long gone dual sport I remember cutting out as much of the lid as I could. My dirt bikes didn't even have a lid, just a baffle that was easily removed.
     
  2. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

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    Remove the lid, then filter. I cut the entire area above the filter (~4 x 6"). You can do the same or drill a bunch of holes. Be sure not to cut into the part of the lid that seals the inner lid to the box. This will make sense when you have it apart.
     
  3. dte8dom

    dte8dom Just got it firing!

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    Just for reference, This what I ended up doing. 33 holes 0.5" dia. Roughly 6.5 sqr inches more area.
     

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    Robert Gibson and blakbird like this.
  4. Robert Gibson

    Robert Gibson High Miler GT Contributor

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    I would be interested if you could show a step by step guide to the cat/baffle removal. If in the event I decide to go down this route it would help me to explain the procedure to my local machine shop as they don't speak English and although I can get by with Spanish, photos would help.
     
  5. Clayton Sietsema

    Clayton Sietsema Cruisin' Guzzisti

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    I just bought a modified factory air box lid from Todd. Don't know if he still offers them but it was cheap and I still have my original if I want to go back stock.
     

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