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Mishimoto Silicone 90-Degree Coupler — 2.75" (4-Layer, Heat-Resistant) Durable, high-performance 90° transition coupler engineered for coolant and intake applications. The Mishimoto 2.75" 90-degree silicone coupler combines rugged construction with precise fitment for turbo, intercooler, radiator, and heater hose systems. Premium 4-layer construction: Four silicone layers separated by heat-resistant embedded fibers for superior strength and longevity. Heat-rated to 330°F: Reliable performance in high-temperature engine bays and forced-induction systems. Boost-capable: Built to withstand substantial boost pressures without deforming or leaking. Multiple colors: Available in black, blue, and red to match or accent your build. Mishimoto Lifetime Warranty: Backed by the brand’s commitment to quality and durability. Designed for easy installation and consistent sealing, this 90-degree 2.75" coupler is ideal for custom plumbing, repairs, and performance upgrades. Choose Mishimoto for proven materials, rigorous testing, and dependable fitment in demanding environments.
High-performance 90° design ensures optimal airflow and fluid transfer.
Four-layer silicone construction offers unmatched durability and heat resistance.
Capable of handling extreme boost pressures without compromise or leaks.
Available in multiple colors to customize your vehicle’s aesthetic.
Backed by Mishimoto's lifetime warranty for peace of mind and reliability.