Skyline Emissions specializes in the design, development and manufacture of a complete line of aftermarket diesel particulate filters (DPF) and related emissions critical components. Developed by an engineering team with decades of diesel emissions control experience, Skyline DPFs combine Exact-Fit™ design with exceptional quality and extensive performance testing. Skyline means greater value because our design, state-of-the-art manufacturing and testing capability have resulted in a durable DPF with extended service life. Our DPFs are built to last and will keep your fleet running with lower operating costs. To learn more about Skyline Emissions' products, please browse our online catalog or download the PDF catalog (2.0 MB).