Black Silicone Hose, 3 3/4 x 3 1/2 inch ID Straight Reducer

This black silicone reducer is just the right piece to reduce your 3 3/4" nipple to a 3 1/2" pipe.

3-1/2 silicone hose - HPS Performance

HPS 1/2 3/4 Silicone 45 Degree Elbow Reducer Coupler Hose High Temp Reinforced - HPS Performance

Silicone Hoses - Pro Alloy

AF9203-375-300 - Silicone Hose Reducer 90 Deg;

Reducing Straight Silicon Joiner - Pro Alloy

OS-SHR2512-B Straight Silicone Hose Reducer (25mm to 12mm) Oil Resistant for Provent - Western Filters

Blue Silicone Hose, 2 1/4 x 1 3/4 inch ID Straight Reducer - Pegasus Auto Racing Supplies

Redback Silicone Hose (2-3/4) Straight (Blue)

HPS 3.25 - 3.5 (83mm - 89mm) 6 Long Silicone Straight Reducer Hose - BuildFastCar

Silicone Couplers, Reducer Hoses & Clamps

Our silicone hose is built for endurance and performance in custom coolant and intake plumbing applications. Each hose is hand-crafted from multiple

Black Silicone Hose, 3 1/4 I.D. 45 degree Elbow, 4 Legs

19mm 3/4 I D Black 45 Degree Silicone Elbow Hose Pipe