Sinister Diesel EGR Delete Kit for GM Duramax 2004.5-2005 6.6L LLY

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  • Regular price $246





Our Sinister Diesel LLY Duramax EGR Delete is made in-house at our California manufacturing facility from strong nickel plated steel and machined billet aluminum then fully TIG welded and pressure tested to ensure unrivaled durability and leak-free service under the harshest conditions. The Sinister Diesel also improves engine reliability by recirculating your engine coolant faster than the stock EGR system for lower coolant temperatures, and also keeping your intake manifold free from power-robbing, hot, sooty air.