S-pipe. 1 3/4" head pipes. Designed to be used with universal mufflers. Rigid frame only; kickstart. Use 512595 P-clamp to mount. Heatshield rear 903403. Note: The S-pipe system is a 2-piece front header; like OEM; which is flattened to fit between generator and frame tube for improved ground clearance in right turns. Note: Heatshields must be ordered separately when required. When heatshields are not mentioned they are not available.