Keep your truck's exhaust system properly routed with the 4-Inch OD/ID Aluminized Steel Exhaust Elbow. Made for heavy-duty truck applications, this aftermarket exhaust component is made from aluminized steel, offering resistance to corrosion. Its 4-inch outer diameter and inner diameter configuration makes it a useful option for compatible exhaust setups that require a directional change in the piping. Multiple options are available, so you can select the elbow configuration that best matches your install needs. Before ordering, verify the required bend angle, dimensions, and connection style to ensure compatibility with your current exhaust system.