darkenddream Posted January 29, 2009 Share Posted January 29, 2009 i was wondering what the names of those holes are in the bumpers. there reagular stock bumper but a whole that has a metal piece around it idk if there use for airflow or sumthing but also the back bumpers have it too in some civics that people put them on what is the name of that Link to comment Share on other sites More sharing options...
airjordan223 Posted January 29, 2009 Share Posted January 29, 2009 its called a rear diffuser http://www.robearracing.com/cat_bumper.cfm not really useful unless its going to be a drag car Link to comment Share on other sites More sharing options...
xxscaxx Posted January 29, 2009 Share Posted January 29, 2009 arent they also referred to as speed holes or something? either way, they look dumb lol. Link to comment Share on other sites More sharing options...
darkenddream Posted January 31, 2009 Author Share Posted January 31, 2009 its called a rear diffuser http://www.robearracing.com/cat_bumper.cfm not really useful unless its going to be a drag car what are they use for i see some civic with it in the front bumper but idk if its to get air in the intake filter or what ever u know? Link to comment Share on other sites More sharing options...
airjordan223 Posted January 31, 2009 Share Posted January 31, 2009 i've never seen them in the front but yeah its basically to let air through Link to comment Share on other sites More sharing options...
Xeryon Posted January 31, 2009 Share Posted January 31, 2009 What I don't get, is if the actual intention is to improve airflow through the bumper cover would it not be more beneficial to run with no rear bumper cover at all? Obviously that defeats the purpose of the all show and no go kind of guys. I was just contemplating the whole idea.... Link to comment Share on other sites More sharing options...
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