PMAS Silicone Coupler 4in Diameter 1 inch length

Silicone Coupler – 4″ Diameter, 1″ Length

The 4″ Silicone Coupler (1″ length) is designed for tight-fit applications and short-span connections where space is limited. Ideal for joining two 4″ pipes or components with minimal separation, this compact coupler provides a strong, reliable seal in high-performance intake, intercooler, or exhaust systems.

Constructed from high-quality, multi-layer reinforced silicone, it delivers excellent durability, heat resistance, and flexibility. Whether you're fabricating a custom setup or replacing a worn-out connection, this coupler is built to withstand high temps and boost pressure in demanding engine bays.

Product Highlights:

• Inside Diameter: 4″
• Overall Length: 1″
• Material: Multi-ply reinforced silicone
• Heat Resistant: Suitable for high-temperature environments
• Pressure Rated: Handles both vacuum and boost conditions

Applications:

• Short-span intake or intercooler pipe connections
• Throttle body or air filter couplings
• Custom turbo and supercharger setups
• High-performance or racing engine bays with tight clearances

Installation Tips:

Use high-quality clamps for a secure seal. Ensure coupler is centered and properly aligned to prevent leaks or pipe separation under load.