4.5" ID to 4" ID X 4" Coupler - Gloss Black - Long Version textured The easy-to-use screw-on lid ensures

The easy-to-use screw-on lid ensures a secure closure

this rugged coffee mug offers exceptional durability

About 1-1/2 inches on each end goes inside an intake hose (minimum 1 inch)

Ensuring it stands out on the road

The standout feature of this tee is the captivating design on the front

4.5" ID to 4" ID X 4" Coupler - Gloss Black - Long Version textured The easy-to-use screw-on lid ensuresThis 4 1 2 inch to 4 inch reducing silicone coupler is 4 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 0438 on the small end and 94100 0500 on the big end.