The Kenworth Replacement Y Exhaust Pipe is a practical and reliable solution for replacing the M66-1214 exhaust pipe. Made with aluminized material, this exhaust pipe fits most Kenworth W900B, L, T600, and T800 models from 1982 to the present. With its durable construction and easy installation, this replacement pipe offers a cost-effective solution for maintaining the performance of your Kenworth truck. Upgrade your exhaust system with this high-quality replacement that ensures optimal functionality and longevity.