Proflow Exhaust Manifolds, High Silicon Ductile Iron, Casting, Chev For Holden, LS Series Engines, Set

Proflow's LS cast exhaust manifolds have been designed to hug close to the engine block so they fit into a wide variety of replacement engine swap applications. Their contoured design aims the exhaust directly at the exit port to increase flow characteristics. They are cast from high-silicone ductile iron to provide durability, strength and produce less noise than conventional headers. They also use 304 stainless steel mating flanges to reduce warpage, and a 2-bolt exit flange which can be used with OEM style gaskets and fasteners. These are recommended for strong performance with engines producing up to 500 HP and come in a variety of finishes including raw, black or ceramic coated for reduced header temperatures.

Note: Oxygen sensor extension cables may be needed.