JP Racing; Store » Cooling » Silicone Hoses » 4 Ply Aramid Reinforced Couplers » Hump Hose Couplers » VIBRANT PERFORMANCE 4 Ply Aramid Reinforced Silicone Hump Hose, 4″ I.D. x 3″ Long – Blue
VIBRANT PERFORMANCE 4 Ply Aramid Reinforced Silicone Hump Hose, 4" I.D. x 3" Long - Blue

VIBRANT PERFORMANCE 4 Ply Aramid Reinforced Silicone Hump Hose, 4″ I.D. x 3″ Long – Blue

£38.72 Inc. VAT

SKU: VIB2736B Categories: , , , Brand:

Description

Part Number: 2736B

Vibrant Performance 4″ Blue 4-Ply Reinforced Silicone Hump Hose Coupler

Engineered for extreme boost pressure and high-temperature motorsport applications, the Vibrant Performance 2736B 4-ply silicone hump hose coupler absorbs engine movement and piping misalignment while delivering race-proven reliability.

Key Features & Benefits

  • ☑ 4-Ply Reinforced Construction: Hand-wrapped silicone layered with high-strength fabric reinforcement to prevent expansion, swelling, and bursting under high boost.
  • ☑ Hump Hose Flexibility: Central hump design absorbs engine flex, vibration, and thermal expansion to protect hard intercooler and intake pipework.
  • ☑ Extreme Temperature Range: Rated from -65°F to 500°F (-54°C to 260°C) for high-performance forced induction systems.
  • ☑ Vibrant Blue Finish: Glossy blue finish brings a clean, professional look to performance engine bays.
  • ☑ SAE J20 Standard: Meets or exceeds SAE J20 specifications for automotive coolant, air, and charge-air application safety.

Technical Specifications

Brand Vibrant Performance
Part Number 2736B
Inside Diameter (ID) 4.00″ (101.6 mm)
Overall Length 3.00″ (76.2 mm)
Structure 4-Ply Reinforced Silicone
Coupler Type Hump Hose Coupler
Color Blue
Temperature Rating -65°F to 500°F (-54°C to 260°C)
Fluid Compatibility Air, Coolant, Water (Not suitable for oil or fuel transport)

What’s Included in the Box

  • 1 x Vibrant Performance 4″ I.D. x 3″ Length 4-Ply Silicone Hump Hose Coupler (Blue) – MPN 2736B

Built to withstand the toughest track and road conditions, Vibrant Performance silicone hose joiners are trusted by professional engine builders worldwide. For technical guidance, clamp selection, or fitment assistance, contact the motorsport specialists at JP Racing for fast UK dispatch and dedicated customer support.

Additional information

Weight 0.16 kg

Frequently Asked Questions

The central hump design provides built-in articulation and axial movement. This allows the coupler to absorb engine torque flex, vibration, and thermal movement between rigid intercooler or intake pipes, preventing hard pipes from cracking or blowing off under high boost.

No. Silicone couplers are engineered specifically for air intake, turbo charge piping, boost systems, and engine coolant/water service. They are not rated or lined for continuous contact with fuel or oil, which will degrade silicone over time.

Because the inside diameter is 4.00" (101.6 mm) and 4-ply wall thickness adds outer diameter depth, we recommend high-quality T-bolt clamps or liner-style HD hose clamps sized for approximately 4.25" to 4.50" OD (108 mm to 114 mm). Avoid standard worm-gear clamps which can pinch or cut into the silicone wall.

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