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

This straight reducer hose is built for coolant and intake plumbing applications. Black silicone rubber with 4-ply reinforcement connects 2 1/2" (63mm) to 1 3/4" (45mm) tubing.

BOOST Products Silicone Reducer Coupler, 2-3/8 - 2-1/8 ID, Black

3/4 X 1 Silicone Tubing from Brewers Hardware

JEGS 511285: Silicone Radiator Hose, 8 in. Straight Length Reducer [1 1/2 in. I.D. to 1 1/4 in. I.D.] Black - JEGS

Straight Performance Oil Resistant Fluorosilicone Turbo Oil Drain Hose 3 Ply SFL Series Shiny Black - Spareco

Pegasus SR63.45-BLACK, Black Silicone Hose, 2 1/2 x 1 3/4 inch ID Straight Reducer (no logo) : Automotive

T7Design offers full range of Silicone Hoses, Silicone Hose Joiners & Silicone Hose Reducers

HPS 3/4 1-1/2 1.5 Silicone 90 Degree Elbow Reducer Hose High Temp Reinforced - HPS Performance

1/2 ID BLUE SILICONE HEATER HOSE

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

HPS 4 Length 1.75 - 2.5 (45mm - 63mm) ID Blue 4-Ply Silicone Reduce - BuildFastCar

Silicone Coupler