Vance & Hines Monster Slip-On Mufflers - Ovals - Chrome with Black Tips 16753 5 1/2in Monster Ovals crush the old saying that more power requires more noise The ovalized mufflers give Monster Ovals twice the internal volume of other slip-on mufflers for better flow and more power Stereo-friendly, Monster Mufflers yield a deep rich tone thats perfect for those cross-country tours Encased in full-coverage one-piece formed heat shields with machined end caps in chrome or black, riders will be proud to show off their pipes wherever the road takes them Not available for sale in California