PMAS Silicone Reducer Coupler 5 inch to 4 inch 90 Degree

Silicone Reducer Coupler – 5″ to 4″ (90° Bend)

The Silicone Reducer Coupler 5″ to 4″ with 90° bend is the perfect solution for routing intake or intercooler piping in tight engine bays while adapting different pipe diameters. This coupler allows for a smooth directional change while reducing from a 5-inch to a 4-inch connection, helping maintain optimal airflow and minimizing turbulence.

Built from premium, multi-layer reinforced silicone, it provides superior heat resistance, flexibility, and durability in high-performance environments. Ideal for turbo setups, custom intakes, and boosted applications requiring a sharp angle with size transition.

Product Highlights:

• Reducer Size: 5″ to 4″
• Bend Angle: 90° elbow for tight-fit routing
• Material: Multi-ply reinforced silicone for high strength and flexibility
• Temperature Resistant: Engineered for high-heat engine bay use
• Pressure Rating: Suitable for high-boost and vacuum systems

Applications:

• Turbocharger systems
• Custom cold air intake fabrication
• Intercooler and charge pipe routing
• Engine swaps and high-performance builds

Installation Tips:

Use high-quality T-bolt or worm gear clamps for a secure and leak-free seal. Ensure proper clearance for the 90° bend before final fitment.