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Originally Posted by Power Surge
James, Outerwears can make you slip on prefilters to fit right on your stacks. They custom make them to any size you want. I had some made for my brothers Harley to go over the open air horn he was running on his carb since he wasn't running a filter. You can get them in any color as well.
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Don't those pre-filters just keep out the boulders? I am looking to truely filter the air as well as possible. I suppose I could just change the
oil every 1K miles or so...
So nobody knows a way to calculate what the cfm requirements are for a particular engine? How bout a cfm that is guaranteed to give me a good breathing filter? If I was to have a carb on here, I am guessing it would be somewhere between 800 and 850 cfm... so does that mean I can take that number and calculate around it?
James