5" ID to 4" ID - Gloss Black, 6" Long Version

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This 5 inch to 4 inch reducing silicone coupler is 6 inches long. Four-ply poly reinforced silicone for strength. Perfect for air-to-air aftercooler systems and turbocharger/superc harger connections.Rated at 350 F continuous.This is the special 6" long version. Recommended clamps are 94100-0438 on the small end and 94100-0550 on the big end. Show more