Silicone Reducing Sleeve 4.25" ID to 4" ID - Gloss Black

This 4-1/4 inch to 4 inch reducing silicone coupler is 3 inches long. Rated at 350 F continuous. Four-ply poly reinforced silicone for strength. Perfect for air-to-air aftercooler systems and turbocharger/supercharger connections. 

The 4-1/4" end fits on 4.15" through 4.25" MAFs and throttle bodies, including the FAST 102. Also many lids.

Recommended clamps are 94100-0438 on the small end and 94100-0475 on the big end.

CA Residents: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov