Silicone Coupler – 5″ Diameter, 3″ Length

The 5″ Silicone Coupler (3″ length) is a durable, high-performance connector designed for joining 5″ diameter piping in intake, turbo, or intercooler systems. Its extended 3″ length provides extra grip and sealing surface, making it ideal for high-boost or high-vibration applications where a longer coupling span is preferred.

Constructed from multi-layer reinforced silicone, this coupler offers superior strength, flexibility, and heat resistance—ensuring long-term reliability in even the most demanding engine bays. Whether you're building a custom intake or boosting your charge pipe setup, this coupler delivers dependable performance.

Product Highlights:

Inside Diameter: 5″
Length: 3″
Material: Multi-ply reinforced silicone
Temperature Resistant: Designed for high-heat engine bay conditions
Pressure Rated: Suitable for vacuum and boost applications

Applications:

Cold air intake connections
Turbocharger or supercharger piping
Intercooler and charge pipe setups
Custom engine builds and fabrication projects

Installation Tips:

Use high-quality T-bolt or worm gear clamps to ensure a secure, leak-free seal. Check alignment and allow sufficient clearance to avoid contact with surrounding components.