The Western Star Replacement Y Pipe is a practical and reliable solution for replacing the 23527-3438 model. With its 5-inch diameter and 4-bend ID/OD/OD Y-Pipe, this aluminized pipe fits most Western Star Heritage makes and models. Designed to fit the OEM part number, it offers a seamless replacement option. Its durability and compatibility make it a beneficial choice for those in need of a reliable Y pipe replacement.