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2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Cold Air Intakes

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The more efficiently your 6.6L Duramax LML engine can breathe, the more power it can deliver for your 2004.5-2005 GM 2500HD/3500HD. Enhance airflow and improve both power and fuel efficiency with a new aftermarket cold air intake. As a bonus, many cold air intakes enhance your diesel's aggressive engine sound. Pair your cold air intake with an upgraded Exhaust System for even greater performance! GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY

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