561121C1 | Genuine International® Exhaust Muffler (Assembly)

• Weight: 25 lbs
• Fit for: Navistar, International
  
• Specifications:
  • Dimensions: 45.0 x 7.0 x 8.0 in
• Functions:
  • Exhaust gas cooling: As exhaust gases pass through the muffler, they have a chance to cool down slightly before exiting the vehicle.
    
  • Noise reduction: The muffler's internal structure is designed to absorb and dissipate sound waves produced by the engine, resulting in a quieter exhaust note.
    
  • Back pressure control: While reducing noise, the muffler also helps to maintain proper back pressure in the exhaust system, which is crucial for engine performance and efficiency.

Navistar® is a proud manufacturer of some of the widely used trucks, yellow school buses, defense vehicles, and engines. It was recognized as the first truck and engine manufacturer to be certified by the EPA for meeting 2007 standards for hydrocarbons and particulate matter. But the company's global portfolio is not limited to its line of vehicles and engines—it also carries high-quality replacement parts and accessories to keep all these working in top condition at all times. From hose fuel, bolts, plugs, rivets, and bearings to flashers, incandescent lamps, camshaft brake, gasket injector, and spring door locks, Navistar has also got you covered.