• Dyna owners can now benefit from the performance increase provided by the record-setting Road Rage Exhaust• Sleek flowing lines are formed by ceramic coated 1-3/4" to 1-7/8" stepped head pipes merging into a show-chrome plated True Reverse Cone Megaphone fit with a fluted billet aluminum end cap• Precision fabricated from 16-gauge steel• The system was developed specifically to produce increases in horsepower and an extremely flat torque curve