Silicone Coupler Reducer 4.00" - 5.50" X 4.00"
🔥 4.00" to 5.50" Silicone Reducer Boot – 4.00" Long, 5-Ply High-Temp Reinforced for Diesel Boost Applications
This heavy-duty 4.00" ID to 5.50" ID silicone reducer boot is engineered for extreme boost, high heat, and the rigorous demands of diesel performance. With a 4.00" length and 5-ply reinforced high-temperature silicone construction, this boot provides unmatched strength, flexibility, and sealing power for custom intercooler, intake, and charge-air piping setups.
Ideal for compound turbo configurations, large-frame turbos, and high-flow intake systems—this reducer boot ensures a secure connection where it matters most.
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🔧 Key Features:
Inside Diameter: 4.00" to 5.50"
Overall Length: 4.00"
5-ply reinforced high-temp silicone for strength and durability
Strength-tested to withstand high-boost diesel applications
Resists heat, pressure, oil, and vibration in extreme environments
Smooth interior finish for unrestricted airflow and easy installation
Perfect for compound turbos, large intercooler setups, and custom fabrication
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📦 What’s Included:
1x 4.00" to 5.50" x 4.00" High-Temp Silicone Reducer Boot (Black)
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Built to handle the pressure—this reducer boot is the go-to solution for serious diesel and racing builds requiring reliable, high-flow connections.
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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
At the heart of every product lies a unique story, driven by our passion for quality and innovation. Each item enhances your everyday life and sparks joy.
