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The Ultimate Guide to 6.6L Duramax EGR Delete Kit Costs

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Dynovox 2004-2005 6.6L Many areas have strict emissions regulations, and removing the EGR system could result in fines or failed emissions tests. Disconnect the Battery : To avoid any electrical mishaps, disconnect the negative terminal from your battery. Duramax LLY EGR Delete Kit III. Prepare Your Vehicle 1.