The New Suzuki Quadracer HQ Welcomes All LT500 Quadzilla, LT250, LTR450, LTZ400, LTZ250, LT80 owners to the Suzuki Quadracer HQ forums
Thinking something easy like this http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=360662940742
If you have an iPhone just download a free db meter. They're really accurate downloaded this one I pictured and tested it at a car audio shop that has professional sound meters and it was pretty close to right on.
http://www.suzukiquadracerhq.com/index.php?action=store