411 Works Silicone Straight Coupler

411 Works Silicone Straight Coupler | High-Temperature Resistant | Durable Silicone Coupler

Overview

The 411 Works Silicone Straight Coupler is engineered to provide a reliable and flexible connection solution for charge pipes, intercoolers, water systems, and other critical components in demanding automotive environments. Designed with durability in mind, this coupler is ideal for Subaru enthusiasts and tuners who require a robust hose connection that can withstand extreme temperatures and pressures without failure.

Constructed with a 4- and 5-ply design featuring three reinforced silicone layers, the coupler balances strength and flexibility to accommodate vibrations and thermal expansion common in performance applications. 411 Works emphasizes in-house testing and quality control, ensuring each coupler meets rigorous standards for burst pressure and longevity. This attention to detail makes it a trusted choice for those upgrading or maintaining their Subaru’s intake or cooling systems.

For Subaru owners, especially those running turbocharged WRX, STI, or other performance models, maintaining secure and heat-resistant connections is crucial for consistent boost delivery and cooling efficiency. The 411 Works Silicone Straight Coupler’s wide temperature range and proven durability help safeguard your setup against leaks and failures, supporting reliable performance on the street or track.

Features & Specifications

This 411 Works Silicone Straight Coupler is engineered for universal automotive applications and features a reinforced multi-ply silicone construction. Built with high-temperature resistant silicone, it delivers exceptional durability and flexibility for Subaru enthusiasts seeking reliable hose connections in extreme conditions.

• Brand: 411 Works
• Product: Silicone Straight Coupler
• Part Number: 411-SC6
• Fitment: Universal / N/A
• Material: Reinforced Silicone
• Finish: Smooth Silicone Surface
• Construction: 4- and 5-Ply with 3 Reinforced Layers
• Origin: Not Specified
• Temperature Range: -120°F to +360°F (peak +390°F)
• Wall Thickness: 6mm for 3” to 6” sizes
• Size Range: ½” to 6” diameters available
• Burst Pressure: Tested with data available upon request

Key Benefits

• Durability: Multi-ply reinforced silicone construction resists cracking and splitting under high heat and pressure.
• Temperature Resistance: Rated for extreme temperature ranges, ensuring reliable performance in hot engine bays and cold climates.
• Flexibility: Silicone layers provide flexibility to absorb vibrations and thermal expansion without compromising the seal.
• Universal Fitment: Available in a wide range of sizes to suit various Subaru charge pipes, intercoolers, and cooling system components.
• Proven Quality: In-house testing guarantees burst pressure reliability for peace of mind in demanding applications.
• Secure Connections: Pairs well with compatible clamps for leak-free, secure hose joins critical to Subaru performance setups.

What's Included

• 1× 411 Works Silicone Straight Coupler (6mm wall thickness, size as specified)

Installation & Compatibility

Installation of the 411 Works Silicone Straight Coupler is straightforward and generally DIY-friendly for enthusiasts familiar with Subaru intake or cooling system work. No special tools are required beyond standard hose clamps and basic hand tools. Ensure the coupler size matches your existing piping for a proper fit. For performance applications, pairing with quality clamps is recommended to maintain a secure seal under boost or pressure. This coupler is universal and not vehicle-specific, so verify diameter compatibility with your Subaru model’s charge pipes or intercooler connections before purchase.

• Professional Installation: DIY-Friendly
• Modifications Required: None, provided correct size selection
• Verify Compatibility: Confirm fitment for your specific hose diameter and application

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