JBA CAT4WARD SHORTY HEADERS, STAINLESS STEEL, NATURAL FINISH, SET OF 2 -- ; 1.63 in. tube diameter, 0.38 in. standard head flange; Shorty style; Round head port; Includes mandrel-bent stainless steel primary tubes, patented JBA Firecone collector, factory style emission connections, extra thick collector domes, CNC laser-cut flange, and oversized exhaust ports; Made of tough and durable stainless steel; Constructed through race-proven technology for maximum horsepower and torque gains; Improves throttle response, resist warping, prevent leakage, increase flow, and accommodate cylinder head porting; Direct replacement for factory manifold, installation hardware kit included; Easy installation.
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