Barnum Airbox Mod

4 replies to this topic
  • Seabass

Posted November 10, 2004 - 06:27 PM


I've seen a picture of Barnums ProShop airbox mod here on TT but when I went on their webpage it was nowhere to be found. I emailed them but I think they are all down in Baja. Has anyone seen and/ or used the Barnum airbox mod? Are there any other companied that make something similar? My old XR 650 really benefitted from having the side panel/ air box opened up and I'm betting the WR would also improve would this mod

  • Moondogger

Posted November 10, 2004 - 08:01 PM



The Barnums are good friends of mine. Their air box mod will definitely increase your horsepower. I think Rob is developing one for the WR450. They will be in CA until next Monday or Tuesday. Here are their phone #'s: 760.868.8097 or 760.985.7895.

Glad to help.


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  • jerryls

Posted November 11, 2004 - 09:38 AM


Here's a picture of it on a WR:

I have one on my bike. It really opens up the airflow to the carb. Make sure you're running filterskins. And I wouldn't recommend it for any locations that have water/rain. Great addition if you're in the desert.


  • jackalope

Posted November 11, 2004 - 09:15 PM


Did you say Barney Airbox mod? Eh Barney, you like beef?
What's up Seabass? :cry:
It's about time you got a real bike!
Can't wait to get to the dez again.
Later Bro!

  • JVP

Posted November 12, 2004 - 04:49 PM


I have the Barnum's Air-box mod. I think it is a good product. Air is everything on these bikes. :cry: More you get into the motor the power you get. Be careful crossing water though! Water can get sucked up pretty quick. :cry:


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