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The Mishimoto 4-inch straight silicone coupler in black provides a durable 100% silicone connection for intake, intercooler or turbo plumbing. It is built to tolerate high heat and pressure and includes heat-resistant embedded fibers for reinforcement. This straight coupler offers a clean, flexible splice for 4-inch piping in custom or replacement installations.
Mishimoto 4 Inch Straight Coupler - Black
