PMAS Silicone Coupler 4in Diameter 3 inch length

Silicone Coupler – 4″ Diameter, 3″ Length

The 4″ Silicone Coupler (3″ length) is a high-quality, straight silicone connector designed for joining 4″ piping or components in performance intake, intercooler, or exhaust systems. Its extended 3″ length provides added grip and sealing surface for greater stability and durability under pressure.

Made from multi-layer reinforced silicone, this coupler is built to withstand high temperatures and boost pressures, making it perfect for high-performance street builds, track cars, or custom turbo systems. Flexible yet strong, it's ideal for bridging intake tubing or throttle body connections where a secure, leak-free join is essential.

Product Highlights:

• Inside Diameter: 4″
• Overall Length: 3″
• Material: Multi-ply reinforced silicone
• Temperature Resistant: Suitable for high-heat environments
• Boost Rated: Handles both vacuum and high-pressure systems

Applications:

• Cold air intake connections
• Intercooler and charge pipe couplings
• Turbo and supercharger systems
• Custom engine bay and fabrication projects

Installation Tips:

Pair with quality T-bolt or worm gear clamps to ensure a tight, leak-free seal. Always check for proper alignment and clearance during installation.