Update your semi with a secure transfer of essential fluids throughout the cooling system, with the Tru-Flex 5" x 25' 409 Stainless Steel Flex Tubing that ensures you're Ready for the Road Ahead. This replacement hose tubing ensures proper flexibility and durability within the exhaust system, optimizing motor performance. Engineered with incredible durability and improved bending strength to deliver a long service life. FleetPride is your First Click in Heavy Duty.