411 Works 90 Degree Silicone Reducer Coupler | High-Temperature Resistant | Durable Silicone Coupler Overview The 411 Works 90 Degree Silicone Reducer 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 Subaru enthusiasts and performance builders in mind, this coupler excels in high-stress applications where durability and heat resistance are paramount. Its 90-degree angle and reducer design make it ideal for tight engine bays and custom piping setups common in WRX, STI, BRZ, and other Subaru platforms. Constructed with a multi-ply reinforced silicone design, this coupler balances strength and flexibility to withstand extreme temperatures and pressure fluctuations. The 4- and 5-ply layering incorporates three reinforced silicone layers, ensuring exceptional durability without sacrificing pliability. 411 Works is known for rigorous in-house testing and quality control, making this coupler a trusted choice for enthusiasts who demand consistent performance and longevity from their intercooler and cooling system components. For Subaru owners, maintaining secure and leak-free connections in turbocharged or water-cooled setups is critical to maximizing power and reliability. The 411 Works 90 Degree Silicone Reducer Coupler’s high-temperature rating from -120°F to +360°F (with peak tolerance up to +390°F) ensures it performs reliably under the heat generated by boosted engines and track conditions. Its robust construction reduces the risk of failure, helping maintain optimal boost pressure and cooling efficiency for your Subaru’s performance upgrades. Features & Specifications This 411 Works 90 Degree Silicone Reducer Coupler is engineered for universal automotive applications and features a durable 4- or 5-ply silicone construction with high-temperature resistance. Constructed from reinforced silicone layers, it delivers exceptional strength and flexibility for Subaru enthusiasts seeking reliable, heat-resistant couplers for charge pipes and intercooler systems. Brand: 411 Works Product: 90 Degree Silicone Reducer Coupler Part Number: 411-90RC3X4 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: 4mm for ½” - 1-⅞” sizes (this model) Design: 90 Degree Angle Reducer Coupler Burst Pressure Data: Available upon request Key Benefits Durability: Multi-ply reinforced silicone construction resists cracking and splitting under pressure and heat. Heat Resistance: Rated for extreme temperatures, ideal for turbocharged Subaru engines and demanding cooling setups. Flexibility: Allows for tight bends and custom piping configurations without compromising seal integrity. Reliability: In-house testing ensures consistent quality and performance for long-term use. Compatibility: Universal fitment supports a wide range of Subaru platforms and aftermarket setups. Secure Connection: Designed to pair with clamps for leak-free, vibration-resistant joins. What's Included 1× 411 Works 90 Degree Silicone Reducer Coupler Installation & Compatibility Installation of the 411 Works 90 Degree Silicone Reducer Coupler is straightforward for enthusiasts comfortable with basic hose and clamp replacement. The coupler’s flexibility accommodates slight variations in pipe diameter and angle, making it a practical choice for custom intercooler or cooling system plumbing. No special tools are required beyond standard hose clamps and hand tools. While the coupler fits universally, verify sizing compatibility with your specific charge pipe or intercooler dimensions before purchase. For performance applications, ensure clamps are properly torqued to maintain boost integrity and prevent leaks. Professional Installation: DIY-Friendly Modifications Required: None Verify Compatibility: Confirm size and angle fitment for your specific setup Shop with confidence at Subimods—your Subaru parts specialists.
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