Silicone Coupler – 5″ Diameter, 4″ Length

The 5″ Silicone Coupler (4″ length) is a heavy-duty, high-strength solution for connecting 5″ diameter piping in performance intake, turbo, and intercooler systems. With its extended 4″ length, this coupler offers a larger contact area for a more secure grip and seal—ideal for high-boost or high-vibration environments.

Manufactured from premium multi-ply reinforced silicone, this coupler delivers exceptional durability, flexibility, and heat resistance. Whether you're building a custom forced induction setup or replacing worn couplings, this component ensures lasting performance and reliability in demanding engine bays.

Product Highlights:

Inside Diameter: 5″
Overall Length: 4″
Material: Multi-layer reinforced silicone
Heat Resistant: Engineered for extreme under-hood temperatures
Pressure Rated: Withstands vacuum and boost conditions with ease

Applications:

Cold air intake and throttle body connections
Turbo and supercharger charge piping
Intercooler systems
Custom fabrication and performance builds

Installation Tips:

For best results, use high-quality T-bolt clamps for a secure, leak-free fit. Ensure proper alignment and allow clearance from surrounding engine components.