Proflow 4.00" Silicone 180° Elbow Coupler Black - Air Intake - PFES106-400B

Premium 4" Silicone 180° Elbow Coupler for High-Performance Air Intake Systems

The Proflow PFES106-400B is a heavy-duty silicone coupler designed for demanding automotive applications. Built from 4-layer, 5mm polyester-reinforced silicone, this 180-degree U-bend elbow delivers superior heat resistance, flexibility, and durability for turbo, intercooler, and intake piping.

Key Features:

• 4-inch (102mm) diameter – fits large-bore performance intake systems
• 180-degree U-bend – ideal for tight turnaround routing in engine bays
• 4-layer reinforced silicone – 5mm wall thickness for maximum strength
• Extreme temperature range – withstands -40°C to 200°C
• Black finish – clean, professional appearance under the bonnet
• Pressure resistant – prevents collapse under vacuum or boost

Applications:

Perfect for turbo inlet/outlet U-bends, intercooler piping, cold air intakes, and custom intake manifolds requiring 180° routing. Suitable for street, track, and race builds.

Australian stock – fast dispatch from our Perth warehouse.