We all know most OEM horns attract about as much attention as Roseann Barr at a Playboy party, so 'canning them in favor of something louder is highly desirable, particularly for commuters. webBikeWorld just posted a comparison test of some of the most popular aftermarket motorcycle horns. The results may surprise you. Go check out the test, and if you're not already a dedicated reader of wBW, peruse the rest of the site; odds are you'll be bookmarking it.