Gen III HEMI Coil Harness Late Coils 558 311 intermediate lines Brand Hooker Emission Code 4 93356 FBHB Brand Hooker Emission Code 4 Exhaust Series Hooker Material Aluminized Steel Muffler Type None Product Type Exhaust System Sound Level Pipe Only System Type Header back Tips None Tube Size 2 1 4 inch Type of Exhaust Header Back Warning California Proposition 65 # of Passes Single Brand Frostbite Cooling Row Diameter 11 16" Core Dimension 17" x 27 1 2" Core Thickness 2 Each harness is routed through a split loom braid for protection and great looks Chrysler has used two different coils on the HEMI engine series with 2006 being the year that the change was phased throughout the truck and car line