🔥 5.00" ID x 4.00" Long Straight Silicone Coupler – 5-Ply Reinforced, High-Temp Boot for High-Boost Diesel Applications

This 5.00" ID x 4.00" long straight silicone coupler is built to handle the extreme pressure and heat of high-boost diesel engines. Made from 5-ply reinforced high-temperature silicone, it delivers superior strength, flexibility, and long-lasting performance in charge-air, intercooler, and intake plumbing systems.

Perfect for compound turbo setups, intake tube connections, or large-diameter piping transitions, this straight boot is strength-tested to hold up under the harshest conditions.

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🔧 Key Features:

• Inside Diameter: 5.00"

• Length: 4.00"

• 5-ply high-temp reinforced silicone construction

• Strength-tested to withstand high diesel boost pressures

• Resistant to heat, oil, vibration, and collapsing under load

• Smooth interior for unrestricted airflow and easy install

• Ideal for large-frame turbo setups, intercooler piping, and high-flow intake connections

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📦 What’s Included:

• 1x 5.00" ID x 4.00" Straight Silicone Coupler Boot (Black)

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Built for power and pressure—this high-performance silicone boot ensures a secure, leak-free connection for serious diesel performance and reliability.