PMAS Silicone Coupler 5 in Diameter 6 inch length

Silicone Coupler – 5″ Diameter, 6″ Length

The 5″ Silicone Coupler (6″ length) is a high-performance, extended-length connector built for joining large-diameter piping in custom intake, intercooler, and turbo systems. With a full 6″ of length, this coupler offers maximum clamping surface for added stability and superior sealing in high-pressure environments.

Made from multi-layer reinforced silicone, it delivers excellent flexibility, heat resistance, and durability, making it ideal for demanding performance builds. Whether you’re working with long-span connections or bridging misaligned pipes, this coupler is designed to get the job done reliably.

Product Highlights:

• Inside Diameter: 5″
• Overall Length: 6″
• Material: Multi-ply reinforced silicone for strength and durability
• Heat Resistant: Withstands extreme engine bay temperatures
• Pressure Rated: Supports both vacuum and high-boost systems

Applications:

• Cold air intake and throttle body extensions
• Turbocharger and intercooler plumbing
• Charge pipe connections in custom setups
• Engine swaps and long-span fabrication needs

Installation Tips:

For optimal performance, secure with high-quality T-bolt clamps and verify even distribution across both mating surfaces. Check for sufficient clearance before final tightening.