AFE 48-32031 Twisted Steel Short Tube Headers (Raw Finish) for 15-23 300 / Challenger / Charger 6.4L 392 & 6.2L. The headers are constructed from mandrel-bent 304 stainless steel tubing for improved flow and performance, delivering gains of up to 6 HP and 10 lbs. x Ft. torque. Featuring optimized tube lengths and heavy-duty laser-cut machined flanges, these headers ensure a durable, leak-free seal.