HPS Performance Products HTSR-175-225-L4-BLK Silicone Reducer Hose 1-3/4" to 2-1/4" ID 4" Black

The HPS Performance Products HTSR-175-225-L4-BLK is a high-temperature reinforced silicone reducer hose designed to connect two different diameter pipes or tubes. With a 1-3/4" (1.75") inlet ID transitioning to a 2-1/4" (2.25") outlet ID and a 4" overall length, this reducer hose is an ideal solution for custom turbo systems, intercooler piping, DIY cold-air intakes, and radiator cooling system builds in automotive, marine, and industrial applications.

Key Features:

• 4-Ply High-Temperature Reinforced Silicone construction provides exceptional strength, flexibility, and durability under demanding conditions
• Meets and exceeds SAE J20 industry standards for heavy-duty pressure connections and high-temperature performance
• 1-3/4" inlet ID to 2-1/4" outlet ID reducer design for transitioning between different pipe diameters
• 4" overall length fits tight engine bay packaging and custom fabrication layouts
• UV and ozone resistant for long service life in underhood and outdoor environments
• Excellent resistance to high-temperature coolant and charge-air heat cycles
• Suitable for marine, automotive, and industrial use
• Not compatible with fuel or oil — for coolant, air, and water applications only

Available in classic black, the HTSR-175-225-L4-BLK integrates cleanly into any custom piping build. Whether you're fabricating a performance intercooler system or upgrading factory cooling lines, this HPS silicone reducer delivers a leak-free, pressure-tight connection that outlasts OEM rubber hoses.