aFe BladeRunner OER Series Coupling & Clamp Kit (Hot Side Charge Pipes) - Toyota Tundra / Sequoia 2022-2024 (+Lexus Fitments)Reinforced Silicone: These couplings are constructed from high temperature 5 Ply polyester reinforced silicone material. Coupling Hoses: These hoses allow for expansion, movement, and extreme vibration between two hard pipes while reducing the possibility of connections coming apart or having your pipes or other equipment break. Emissions Disclaimer This product does not require a CARB EO#. Details Directly replace your Toyotas aging, dried out