4" ID to 3.75" ID - Gloss Black 90 Degree Black Rubber Elbow 15" through 4

15" through 4

Recommended clamps are 94100-0500

handles 500 F continuous and is perfect for intercooler/aftercooler applications

This 4" ID to 3-1/2" ID silicone reducing coupler is 3 inches long and has the special matte red finish indicating aramid reinforcement

Trunnion-type floating bridge keeps clamp aligned during tightening

4" ID to 3.75" ID - Gloss Black 90 Degree Black Rubber Elbow 15" through 4This 4 inch to 3 3 4 inch reducing silicone coupler is 3 inches long. Four ply poly reinforced silicone for strength. Perfect for air to air aftercooler systems and turbocharger supercharger connections. Rated at 350 F continuous. Recommended clamps are 94100 0412 on the small end and 94100 0438 on the big end.