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Stage 3 upgrade for the 2007.5-2010 LMM Duramax combines our popular Stage 2 High Flow Bundle Kit with our 3" Stainless Steel Turbo Down Pipe into a single package providing increased air and exhaust flow for your turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design that can contribute to lost power, boost leaks, and complete failures in hard working and high performance applications. On the air intake side, our high flow fabricated intake pipe, intake horn, and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on 2007.5-2010 LMM Duramax Diesel for improved engine performance and sound.
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