JBA Headers JBA Cat4ward-Natural,Stainless steel,4-1

JBA CAT4WARD SHORTY HEADERS, STAINLESS STEEL, NATURAL FINISH, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 0.375 in. standard head flange; Shorty style; Round head port; They include mandrel-bent stainless steel primary tubes, patented JBA Firecone collector, factory style emission connections, extra thick collector domes, CNC laser-cut flange, oversized exhaust ports, boots, and terminals; Made of tough and durable stainless steel; Constructed through race-proven technology for maximum horsepower and torque gains; They improve throttle response, resist warping, prevent leakage, increase flow, and accommodate cylinder head porting; Use big block flapper valve for smog legal applications; Installation requires welding or modification to exhaust system; Spark plug boots must be changed from stock; For vehicles with carburetor.