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Product description
Koshi carbon exhaust manifold cooling duct Alfa 4C
Koshi AR4C-051 is the exhaust manifold cooling duct for the Alfa Romeo 4C. The product image shows a continuous curved tube with a narrower connection and a wider outlet section. That dedicated shape routes air along the path of the original component in the engine area.
Air guidance in the engine compartment
The manufacturer names this component Exhaust Manifold Cooling Duct and classifies it as an OEM replacement. It is a complete shaped duct rather than decorative trim placed over a tube. The connections and formed mounting points shown in the photograph belong to this particular version.
Prepreg carbon as the duct material
Koshi uses prepreg carbon cured in an autoclave and finished with high-gloss clear coat. The carbon pattern follows the bends and the transitions between duct sections. This article belongs to the air guidance around the exhaust manifold; the engine cover and neighbouring luggage area trim are separate components.
