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  1. Donaldson air filter CFM?

    Cummins Tech Section
    Page 94, full view pre-cleaner. Warning, PDF is 30mb http://www.donaldson.com/en/engine/support/datalibrary/061238.pdf There are two 3" models, one supplies 170 CFM, the HD one is 320, but bigger in size, since this is a cowl intake the smaller would fit better between the windshield and hood...
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