Samco Xtreme hump hose — a straight silicone coupling with a moulded hump at the centre. The hump allows the hose to absorb vibration, thermal expansion, and minor axial misalignment between two rigid pipes. Manufactured by Samco Sport in the United Kingdom.
Rated to 250 °C — significantly higher than standard 3-ply silicone hoses (180 °C). Suitable for installations close to heat sources such as the turbocharger body or exhaust manifold.
Specifications
| Property | Value |
|---|---|
| Brand | Samco Xtreme |
| Shape | Straight with moulded central hump |
| Length | 76 mm (3 inches) |
| Max temperature | 250 °C |
| Colour | Blue |
| Available ID | 50 mm, 60 mm |
| Manufacturer | Samco Sport, United Kingdom |
What the Hump Does
The moulded hump at the centre allows the hose to:
- Absorb engine and transmission vibration, preventing it from being transmitted through rigid pipes
- Compensate for thermal expansion of aluminium and steel pipes during heat cycling
- Accept minor axial misalignment where two pipe ends are slightly off-centre
Hump hoses are used wherever a standard straight coupler would transmit vibration or crack under repeated expansion and contraction.
Suitable Applications
- Turbocharger compressor outlet hose
- Intercooler charge air pipe connections
- Coolant hose connections near high-heat sources
- Any short straight coupling where vibration or thermal movement is a concern
Not Suitable For
Do not use in fuel delivery, fuel return, or oil lines. Silicone is not resistant to hydrocarbons. For fuel or oil lines, use PTFE-lined hose.
Frequently Asked Questions
What clamps should I use?
Two hose clamps — one at each end, positioned 10–15 mm from the hose end. T-bolt clamps are recommended for charge air systems.
Is this hose rated higher than the SFS Performance range?
Yes. This Samco Xtreme hose is rated to 250 °C. Standard SFS Performance silicone hoses are rated to 180 °C. Use this product where the hose is close to an exhaust manifold, turbocharger turbine housing, or other very high heat source.
Can I use this as a standard straight coupling without vibration concerns?
Yes. The hump does not affect flow or sealing. The hose functions as a standard straight coupler while also providing vibration and expansion absorption.
Is the diameter stated the inside or outside measurement?
Internal diameter (ID). The ID must match the outside diameter of the pipe spigots at each end.
Is this a vehicle-specific part?
No. This is a universal hump hose. It fits any two pipes of the same diameter (50 or 60 mm) that are in line with each other.
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