ISO 5011 Testing Protocol


   .3 from Perfect!

99.7% Efficiency




1100 Grams of .3-10 micron fine dust was fed into an R2C Sprint Car Air Box at 1200 SCFM using a vibratory test fixture that simulates track conditions. Only 9 Grams of dust passed through the filter!

Try that with a gauze or foam Sprint Car filter.



Racing performance parts are sold "as is" without any warranty. NO IMPLIED WARRANTY for fitness is provided. The buyer assumes all risks related to the use of this product. New vehicle and equipment warranties are voided when this product is used in competitive racing or on modified high performance engines.

  • 7550 Industrial Drive, Forest Park, IL 60130
  • P: 708.488.8211
  • F: 708.366.3563
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