Upgrade your Peterbilt 379 Conventional Model with the Peterbilt Y Pipe, a durable and reliable replacement for the OEM 14-13055. Constructed with aluminized material and a 5-inch diameter, this Y Pipe is designed to fit most Peterbilt 379 Conventional Models. Say goodbye to OE part number 14-13055 and hello to a high-quality replacement that will enhance the performance and longevity of your vehicle. Each Y Pipe is sold individually, making it a practical and essential addition to your Peterbilt.