In 1985 American Honda mailed this postcard to enthusiasts all over the US to help introduce them to Mugen competition parts.

Note the spelling of CRX for the US versus CR-X for Japan. How would you like to see these guys coming up behind you in your rear view mirror?

A Mugen CRX prototype in a full scale wind tunnel back in 1984- Validating all aero mods.

See also our pic of wind tunnel testing for the Mugen DC2 Type-R.