Shell Valley Classic Wheels Cobra Replica headers and sidepipes are designed not only to perform, but also to look and sound great on your Cobra Replica. Headers are hand built and tig welded by our expert craftsman here at Shell Valley. The headers can be purchased in raw steel or ceramic coated. The sidepipes are available in raw steel or ceramic coated. We also have sidepipe heat shields available to protect your legs when entering or exiting your Cobra Replica. These are available also in raw steel or ceramic coated.