4" ID X 2" Long coupler - Gloss BlackThis short 4" silicone coupler is only 2 inches long the bare minimum to make a connection using standard clamps. If you have the room, we recommend the 3" length, but there are situations where this is the only one that will fit. Perfect for turbocharger connections and air to air aftercooler systems. Rated at 350 F continuous. Recommended clamps are 94100 0438.
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