Keep your Mack CH/CHN/CHU running clean and sounding great with our DPFs and mufflers. Whether it s a replacement DPF for your Cummins ISX or a performance muffler for an exhaust upgrade, we ve got you covered. Built tough with stainless steel and designed for a perfect fit, these parts deliver reliable performance and lasting value. Boost your truck s power, efficiency, and sound with these premium options!