411 Works 45 Degree Silicone Reducer Coupler

411 Works 45 Degree Silicone Reducer Coupler | High-Temperature Resistant | Durable Silicone Coupler

Overview

The 411 Works 45 Degree Silicone Reducer Coupler is engineered to provide a reliable and flexible connection solution for Subaru enthusiasts working on charge pipes, intercoolers, water systems, and other critical components. Designed to withstand demanding environments, this coupler is ideal for those seeking a durable, high-performance silicone hose that maintains integrity under extreme temperature and pressure conditions.

Built with a multi-ply reinforced silicone construction, the 411 Works coupler combines strength and flexibility to deliver consistent performance. Its design philosophy centers on durability and reliability, ensuring that it can handle the rigors of both street and track use. Tested in-house for burst pressure and thermal resistance, this coupler stands out as a trusted component in the Subaru aftermarket community.

For Subaru owners, this 45-degree reducer coupler offers a precise fit and robust connection that supports efficient airflow and fluid transfer. Its high-temperature rating from -120°F to +360°F (peak up to +390°F) means it performs well in the heat-soaked engine bay environment, contributing to the overall reliability and longevity of your vehicle’s intake or cooling systems.

Features & Specifications

This 411 Works 45 Degree Silicone Reducer Coupler is engineered for universal application and features a 4- and 5-ply reinforced silicone design. Constructed from high-grade silicone with multiple reinforcement layers, it delivers exceptional durability and heat resistance for Subaru enthusiasts seeking reliable hose connections in demanding setups.

• Brand: 411 Works
• Product: 45 Degree Silicone Reducer Coupler
• Part Number: 411-45RC3X4
• Fitment: Universal / N/A
• Material: Reinforced Silicone
• Finish: Smooth Silicone Surface
• Construction: 4- and 5-Ply Reinforced Layers
• Origin: Not Specified
• Temperature Range: -120°F to +360°F (peak +390°F)
• Wall Thickness: 5mm for 2” - 2-¾” sizes
• Design Angle: 45 Degree Reducer
• Burst Pressure: Tested In-House (Data Available)

Key Benefits

• Durability: Multi-ply reinforced silicone construction ensures long-lasting performance under high stress and temperature.
• Heat Resistance: Rated for extreme temperature ranges, ideal for hot engine bay environments common in Subaru WRX and STI models.
• Flexibility: The 45-degree angle and silicone material provide a flexible yet secure connection for complex piping layouts.
• Reliability: Tested for burst pressure to guarantee safe operation in high-boost or high-pressure applications.
• Compatibility: Universal fitment allows use across various Subaru platforms and custom setups.
• Ease of Use: Designed to pair seamlessly with clamps for a secure, leak-free connection.

What's Included

• 1× 411 Works 45 Degree Silicone Reducer Coupler

Installation & Compatibility

Installation of the 411 Works 45 Degree Silicone Reducer Coupler is straightforward for enthusiasts comfortable with basic hose and clamp replacement. It requires no special tools beyond standard hose clamps and hand tools. This coupler is designed for universal fitment, making it suitable for a wide range of Subaru models and custom intercooler or cooling system setups. Always verify the diameter and angle fitment for your specific application before installation. For high-boost or critical systems, pairing with quality clamps and ensuring proper torque is recommended to maintain a secure seal.

• Professional Installation: DIY-Friendly
• Modifications Required: None
• Verify Compatibility: Confirm size and angle fitment for your specific setup

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