Silicone Coupler Reducer 4.00" - 5.00" X 4.00"

🔥 4.00" to 5.00" Silicone Reducer Boot – 4.00" Long, 5-Ply Reinforced for High-Boost Diesel Applications

This 4.00" ID to 5.00" ID high-temperature silicone reducer boot is built to handle the extreme demands of high-boost diesel and performance engine systems. With a durable 5-ply reinforced construction and a 4.00" overall length, it delivers exceptional strength, flexibility, and leak-free performance for custom charge-air, intercooler, and intake piping setups.

Designed to withstand high pressure, vibration, and elevated engine bay temperatures, this reducer boot is perfect for compound turbo configurations and custom fabrication projects.

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🔧 Key Features:

• Inner Diameter: 4.00" to 5.00"

• Length: 4.00"

• 5-ply reinforced silicone construction for superior strength and heat resistance

• Strength-tested to handle diesel boost pressures

• Ideal for adapting large-diameter piping in intercooler or turbo systems

• Flexible and durable under extreme heat and vibration

• Smooth inner walls for optimal airflow and easy installation

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📦 What’s Included:

• 1x 4.00" to 5.00" x 4.00" High-Temp Silicone Reducer Boot (Black)

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Built to perform under pressure, this high-strength reducer boot ensures a secure, reliable seal in even the most demanding turbocharged diesel and performance applications.