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The Exhaust Gas Recirculation (EGR) system helps reduce emissions by recirculating a portion of the engine's exhaust gas back into the intake manifold. This process lowers combustion temperatures and reduces nitrogen oxide (NOx) emissions, which are major contributors to air pollution. Yes, proper tuning is essential to ensure your engine runs efficiently post-delete. TunerDepot.com offers compatible tuners designed for deleted trucks. A vehicle's Exhaust Gas Recirculation (EGR) accomplishes the task for which