Specifications

The Grand Rock G15-418 FLEX 4″ × 18″ galvanized flex hose is built to withstand the tough demands of heavy-duty truck exhaust systems. Made from high-quality galvanized steel, it resists corrosion and wear from exhaust gases. Its flexible design handles movement, vibration, and thermal expansion, making it ideal for long-haul or severe-duty use. This universal replacement simplifies installation when OEM parts aren’t available. Sold by Wofford Truck Parts, it fits various truck makes and models, offering a dependable, cost-effective solution.

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