The Peterbilt Replacement Pipe is a practical and durable solution for replacing the PB-15500Y-S4 part on your Peterbilt 357 Dual Exhaust with Above Frame Exhaust. This 5"5-Bend OD/OD/OD Y-Pipe is made of aluminized material and is sold individually. It offers a reliable and cost-effective alternative to the original part, ensuring smooth and efficient exhaust performance for your big rig. Please note that some items may ship oversize or freight, and our team at Big Rig Chrome Shop will contact you to provide a shipping estimate.