Vance & Hines Straightshots Original Exhaust System 18483 Big, bold, beautiful pipes that have the powerful look of straight pipes but are loaded with features that put them ahead of the straight-pipe pack feature full-length, 220 full-coverage headpipe heat shields that are plasma-arc cut from a full piece of tubing to match the exhaust bodies exactly for a virtually perfect, no-bluing headpipe, fat-pipe look system is fully customizable with hot tips - seven exhaust tips that can be mounted and rotated to any of four angles big 1 3/4" headpipes