HPS Performance Products HTSR-450-500-BLK Silicone Reducer Coupler Hose to ID Long - 4-1/2 5 3 Black

The HPS Performance Products HTSR-450-500-BLK is a high-temperature, 4-ply reinforced silicone reducer coupler hose designed to transition between a 4-1/2" (114mm) and 5" (127mm) inside diameter pipe connection. At 3" in length, this straight reducer hose meets and exceeds SAE J20 industry standards, making it ideal for heavy-duty pressure connections and high-temperature applications across automotive, marine, industrial, and motorsport environments.

Key Features:

• Inside Diameter: 4-1/2" (114mm) to 5" (127mm)
• Outside Diameter: 4.89" to 5.4" (124mm to 137mm)
• Hose Length: 3"
• Wall Thickness: 5mm (+/- 0.5mm)
• Reinforcement: 4-ply knitted premium polyester fabric
• Maximum Working Pressure: 40 PSI
• Temperature Range: -65°F to +350°F (-54°C to +177°C)
• Color: Black
• UV and ozone resistant construction
• Compatible with air, water, and anti-freeze/coolant
• Not compatible with fuel or oil

This silicone reducer coupler hose is engineered for use in custom turbo and intercooler piping fabrication, DIY air intake systems, radiator and coolant system builds, commercial trucking and buses, marine applications, agricultural equipment, and general high-performance builds. The 4-ply reinforced silicone construction securely joins two hard pipes of different diameters, minimizing the risk of connections loosening or pipes separating under pressure.

Backed by the HPS Performance Products Limited Lifetime Warranty.