Removing emissions control systems from a 6.7-liter Powerstroke diesel engine involves several components, including the diesel particulate filter (DPF), diesel exhaust fluid (DEF) system, and exhaust gas recirculation (EGR) system. This process can range from basic component removal to comprehensive tuning and upgrades. For example, a simple DPF delete might involve removing the filter and installing a replacement pipe, while a full delete also addresses the DEF system and EGR, often accompanied by engine tuning software.
Modifying emissions systems can offer perceived advantages such as increased fuel economy, improved performance, and avoidance of potential maintenance costs associated with these systems. Historically, these modifications were popular among truck owners seeking greater power and control over their vehicles. However, it’s crucial to understand the legal and environmental implications. Tampering with emissions controls violates federal regulations in many jurisdictions and can result in significant fines. Furthermore, removing these systems contributes to increased air pollution.