JBA 1968SJS Shorty Headers (Silver Ceramic) for 15-24 300 / Challenger / Charger 6.4L 392 & 6.2L Hellcat. JBA shorty headers, crafted from durable stainless steel, deliver a significant boost in engine power and efficiency through reduced restriction and a race-tested Firecone collector design, with factory-style emission connections and premium hardware for a seamless, no-leak installation.