4" ID to 3.5" ID x 4" Long Silicone Reducing Hump Hose, Gloss Black

4" ID to 3-1/2" ID silicone reducing hump hose, 4" long. Gloss black finish with 4-ply reinforcement for strength. The hump gives a little flex while stepping down the pipe size, ideal between the air cleaner and the engine, or between the engine and the charge air cooler.

Our silicone hump hoses have radiused corners inside the hose at the hump for less turbulence, with no sharp edges inside the hose.

Temperature rated at 350°F continuous.

Recommended clamps: 94100-0388 on the small end and 94100-0438 on the big end.