A hardworking truck deserves a high-performing exhaust system. Whether you're replacing a worn-out unit or upgrading for better airflow and quieter operation, our International 4700-4900 DPF & Mufflers category delivers the quality and performance you need mile after mile. These aftermarket mufflers are built to handle the demands of commercial trucking while keeping noise levels low and fuel efficiency high.

Why Upgrade Your International 4700/4900 Muffler or DPF?

Improved Exhaust Flow: High-flow mufflers reduce backpressure, helping your engine breathe easier and run more efficiently. Lower Noise, Higher Comfort: Quiet performance mufflers reduce cabin noise and vibration ideal for long hauls or city deliveries. Long-Lasting Materials: Made from durable aluminized or stainless steel to resist corrosion, rust, and extreme heat. Easy Fitment: Choose from multiple inlet/outlet sizes and lengths to match your existing setup with minimal modification. Better Fuel Economy: Optimizing your exhaust flow can improve combustion efficiency and reduce overall fuel consumption.

Best Parts & Features

- 6" to 10" Performance Mufflers: Choose from standard and high-flow options designed for power and quiet operation. - Internal Muffler Pipes & Extensions: Great for custom setups or replacing specific sections of your exhaust. - DPF-Compatible Components: Keep your emissions system compliant with replacement parts that fit seamlessly into your existing exhaust layout. These mufflers and DPF parts are engineered for heavy-duty daily use. Whether you re hauling, towing, or just running deliveries, they re built to keep up with your schedule and your truck s workload.

Order Today and Breathe Easy Tomorrow

A new muffler or DPF component isn't just an upgrade it s a performance boost, a sound reduction, and a step toward longer engine life. Shop our International 4700-4900 mufflers and diesel particulate filter parts today and find the perfect fit for your commercial work truck.