Connect your turbocharger to the engine with the Flexfab 7703-350 heavy duty fiberglass turbo sleeve — a 3.50″ 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
- 6-ply heavy-duty 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.
- Heavy-duty pressure handling — engineered for boost-side turbo service.
- Resists chemicals, steam, coolants, ozone & UV — long service life under the hood.
- 3.50″ (89mm) ID, .140″/.183″ 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: 7703
- Part Number: 7703-350
- Inside Diameter (ID): 3.50″ (89mm)
- OD / Burst / Weight: see Flexfab datasheet (not published per-size for this series)
- Hose Length: 3 feet
- Wall Thickness: .140″/.183″
- Extreme temp range: -65F to +500F
- Construction: Orange 6-ply heavy-duty silicone-coated fiberglass fabric reinforcement
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