Small Business Opportunity Acceleration Act of 2013 - Amends the Small Business Act to eliminate loan guarantee fees for certain small business loans that total $150,000 or less. (Currently, the Small Business Administration [SBA] is required to collect a guarantee fee, which is payable by the participating lender, and may be charged to the borrower, of up to 2% of the deferred participation share of a such a total loan amount that is $150,000 or less.)