"I used to go about a half a season and the bottom of my intake plenum would have dirt or basically just a mud consistency on the bottom and down the runners.  I was using K/N type oiled filters that need to be washed and re-oiled with dirt still getting through filter which created blow-by and rebuilds more frequently. My motor builder kept asking me if was cleaning my filter out enough. I then talked to you and tried your filter and it worked just like you said. I did not need any grease around the seal area of filter. I have used your filter for a full season and washed it multiple times throughout the season it has held up great.  I looked at my motors intake plenum at the end of this season with your filter and it was completely clean!  Your product works exceptional, it works just like you guys at R2C said it would! 

Ray Bollinger

14 Inch High Performance Street Air Filters

14" Street Performance Black Hex Series Air Filter
Street Performance Black Hex Series

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       Black Hex  logo


The Most Powerful air filters in the world!
















R2C 14" Black Hex Series

1600+ CFM Performance Air Filters for Street/Strip/show applications




More air flow and more power than any other 14" High Performance filter


Washable, reusable and never any filter oiling!



Over one year of track and dyno testing along with thousands of miles of street performance evaluation has resulted in the highest flowing, high performance media ever developed for 14" street/race filter applications.

This advanced, fully synthetic media technology allows what should go into your engine to pass and stops particulate that doesn't belong while holding it without the restriction rise and power loss associated with other so-called "performance filters".

R2C Performance air filters end the reliance on poor performing oiled cotton gauze and paper filters.  Lifetime performance and never any oiling!  Washable too.
Will outflow oiled gauze such as KN, etc. and WIX cellulose by a very wide margin.



  • R2C 14" Performance Series Filters are designed to provide the lowest restriction and maximum horsepower while protecting your engine from wear.
  •   The most powerful air filters available today!  40% More Air Flow than the next leading filter.
  • 14" x 3"         Round Street/Race Black Series Air Filter SSR10600
  • 14' x 3 1/2"    Round Street/Race Black Series Air Filter SSR10643
  • 14" x 3 3/4"   Round Street/Race Black Series Air Filter SSR10644
  • 14" x 4"         Round Street/Race Black Series Air Filter SSR10601 (2000 CFM Rating)
  • 14" x 5"         Round Street/Race Black Series Air Filter SSR10602
  • 14" x 6"         Round Street/Race Black Series Air Filter SSR10604
  • 14" x 5"         Round Street/Race Black Series Offset Media R10531 (maximum power when used with drop base)

                          11" Diameter Filters available

Use with a CFD 4150 Street Performance Air Cleaner Base and new Clear Polycarbonate Lid for an additional 120-200 CFM and Maximum Performance Gains with Show-Stopping Looks!



No other street/strip air filter can compete with the benefits you get from R2C's 14" filters.


Extreme Street

  • Patent-pending high performance 1600+ CFM Smart Filter technology media provides maximum horsepower and torque over the entire life of the filter!
  • Unmatched Engine Protection
  • No filter oiling!  Never spend another dime on maintenance kits to service your air filter
  • Lifetime Street Performance Filters
  • Simple to clean using vacuums or low pressure compressed air - ready to go in minutes!  Washable too.
  • Made in USA and priced right!  The best performance filter value available today.



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