2191-P206323
Exhaust Pipe Reducer 5" ID to 4" OD
Mack

This Exhaust Pipe Reducer transitions exhaust flow from a 5-inch inner diameter to a 4-inch outer diameter, facilitating proper fitting between different sections of the exhaust system. Its precise engineering ensures minimal backpressure and optimal exhaust flow, which enhances engine performance and reduces emissions. The reducer's durable construction withstands high temperatures and corrosive exhaust gases, maintaining integrity over time. Proper installation of this component is crucial for maintaining the efficiency of the exhaust system and ensuring compliance with emission standards. Source One Parts Center offers this reliable part, helping you maintain a well-functioning exhaust system that supports your Mack truck’s performance and environmental compliance.