Index: bp-activity-templatetags.php
===================================================================
--- bp-activity-templatetags.php	(revision 1785)
+++ bp-activity-templatetags.php	(working copy)
@@ -378,11 +378,13 @@
 			}
 			
 			$link = add_query_arg( 'afilter', $component_name );
-			
+			$link = apply_filters('bp_get_activity_filter_link', $link);
+
 			$component_links[] = $before . '<a href="' . $link . '">' . ucwords( __( $component_name, 'buddypress' ) ) . '</a>' . $after;
 		}
 
 		$link = remove_query_arg( array( 'afilter' ), $link );
+		$link = apply_filters('bp_get_activity_filter_link', $link);
 		
 		if ( isset( $_GET['afilter'] ) )
 			$component_links[] = '<' . $tag . ' id="afilter-clear"><a href="' . $link . '"">' . __( 'Clear Filter', 'buddypress' ) . '</a></' . $tag . '>';