Product Details
Connect your turbocharger to the engine with the Flexfab 7701-400X12 fiberglass reinforced turbo sleeve — a 4.00" ID silicone sleeve engineered for the extreme heat of charge-air and exhaust-side service. It resists chemicals, steam, coolants, ozone, and aging that destroy ordinary hose.
Why this Flexfab turbo sleeve
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3-ply silicone-coated fiberglass construction — extreme temperature resistance for hostile engine environments.
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−65°F to +500°F range — handles post-turbo heat without hardening, cracking, or failing.
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45 PSI burst / 15 PSI max operating — a solid margin for boost-side use.
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Resists chemicals, steam, coolants, ozone & UV — long service life under the hood.
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4.00" (102mm) ID, .080"/.110" wall, 12 feet length — sized for turbo plumbing.
Designed for connection between the turbocharger and engine where no vibration is present. Pair with appropriate T-bolt clamps for a secure seal.
Backed by hpcouplers’ fast shipping and easy returns — order with confidence from a trusted industrial hose and coupler supplier.
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FlexFab Series: 7701
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Part Number: 7701-400X12
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Inside Diameter (ID): 4.00" (102mm)
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Outside Diameter (OD): 4.19" (106mm)
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Actual Burst Pressure - PSI: 45
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Max Operating Pressure - PSI: 15
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Weight LB/FT: 1.1
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Matching Clamp: 2583-0400 or 2584-0462
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Hose Length: 12 feet
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Wall Thickness: .080"/.110"
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Extreme temp range: -65F to +500F
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Construction: Orange 3-ply silicone-coated fiberglass fabric reinforcement
