Sinister Diesel Cold Air Intake for 2004.5-2005 GM Duramax LLY 6.6L Winch improved performance numbers and cooler

improved performance numbers and cooler operating temperatures

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Sinister Diesel Cold Air Intake for 2004.5-2005 GM Duramax LLY 6.6L Winch improved performance numbers and coolerGive a real boost to your truck'performance and save on fuel using this Sinister Diesel Duramax LLY cold air intake. It has been designed, engineered, and fabricated by Sinister Diesel itself, ensuring excellent quality. All kits come with silicone couplers designed for durability, plus all mounting hardware., Use this cold air intake for your Chevy or GMC 2004. 5 2005 6. 6L Duramax engine. The aluminum tubing features CNC mandrel bending for smooth