The Peterbilt Replacement Y Pipe is a practical and reliable solution for replacing the Peterbilt Part # 14-15500. Designed specifically for Peterbilt 357 Dual Exhaust with Above Frame Exhaust, this Y Pipe is sold individually and fits the OEM Part Number: Peterbilt 14-15500. With its high-quality construction and precise fit, this replacement Y Pipe ensures optimal performance and longevity. Upgrade your Peterbilt truck with this essential component, providing enhanced exhaust flow and efficiency. Trust in this dependable replacement part to keep your vehicle running smoothly.