They now (as of 2022) come with CNC machined flanges. If the classic dragster look is desired, these headers provide the look, Sanderson quality, and powerful sound for your vehicle. Custom Zoomie Headers for Dragsters - Neil & Parks Available in standard 16" or 19" lengths. scr.src = host + "/j/roundtrip.js"; var google_conversion_color = "ffffff"; // -->