/**
* Alter the superfish menu settings
*
* @link http://wpexplorer-themes.com/total/snippets/sf-menu-options/
*/
add_filter( 'wpex_localize_array', function( $array ) {
$array['superfishDelay'] = 600; // Change delay
$array['superfishSpeed' ] = 'fast'; // Change Speed IN
$array['superfishSpeedOut' ] = 'fast'; // Change Speed Out
return $array;
}, 10 );