Connect your turbocharger to the engine with the Flexfab 7701-338 fiberglass reinforced turbo sleeve — a 3.38″ 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
- 3-ply silicone-coated fiberglass construction — extreme temperature resistance for hostile engine environments.
- −65°F to +500°F range — handles post-turbo heat without hardening, cracking, or failing.
- 60 PSI burst / 20 PSI max operating — a solid margin for boost-side use.
- Resists chemicals, steam, coolants, ozone & UV — long service life under the hood.
- 3.38″ (86mm) ID, .080″/.110″ wall, 3 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.
- FlexFab Series: 7701
- Part Number: 7701-338
- Inside Diameter (ID): 3.38″ (86mm)
- Outside Diameter (OD): 3.57″ (91mm)
- Actual Burst Pressure – PSI: 60
- Max Operating Pressure – PSI: 20
- Weight LB/FT: 0.975
- Matching Clamp: 2583-0338 or 2584-0412
- Hose Length: 3 feet
- Wall Thickness: .080″/.110″
- Extreme temp range: -65F to +500F
- Construction: Orange 3-ply silicone-coated fiberglass fabric reinforcement
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