{"product_id":"sinister-diesel-cold-air-intake-for-2004-5-2005-gm-duramax-lly-6-6l-dry-filter","title":"Sinister Diesel Cold Air Intake for 2004.5-2005 GM Duramax LLY 6.6L (Dry Filter)","description":"\u003cp\u003e⚠️ High Demand – Restock in Progress\u003c\/p\u003e\n\u003cp\u003eWe truly appreciate your patience and support—it means a lot to us.\u003c\/p\u003e\n\u003cp\u003eThe Sinister Diesel Cold Air Intake for the 2004.5–2005 6.6L Duramax LLY is designed to improve airflow, efficiency, and overall engine performance by eliminating the restrictions found in the factory intake system.\u003c\/p\u003e\n\u003cp\u003eUsing smooth mandrel-bent aluminum tubing and a high-flow filter, this intake allows your engine to pull in more air with less restriction—resulting in improved throttle response, more consistent power delivery, and increased turbo efficiency under load.\u003c\/p\u003e\n\u003cp\u003eThis open air intake continues to utilize the factory-designed air path, pulling in fresh, clean, cooler air from outside the engine bay. By maintaining that factory airflow path while increasing overall air volume, the system maximizes efficiency without relying on restrictive plastic housings. In real-world conditions, this design has shown intake air temperatures at or below factory levels due to improved airflow and proper use of the truck’s original air channels.\u003c\/p\u003e\n\u003cp\u003eBuilt from durable 6061 aluminum and finished in Sinister Blue powder coat, this intake is designed to handle daily driving, towing, and performance use while adding a clean, aggressive look under the hood.\u003c\/p\u003e\n\u003cp\u003eInstallation is quick and straightforward with a true drop-in design using basic hand tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased Airflow Efficiency – Mandrel-bent aluminum tubing reduces restriction and improves engine breathing\u003c\/li\u003e\n\u003cli\u003eOversized High-Flow Filter – Designed for maximum airflow and effective filtration\u003c\/li\u003e\n\u003cli\u003eImproved Throttle Response – Smoother acceleration and faster turbo spool\u003c\/li\u003e\n\u003cli\u003e6061 Aluminum Construction – Built for strength, durability, and long-term performance\u003c\/li\u003e\n\u003cli\u003eSinister Blue Powder Coat – Corrosion-resistant finish with a bold under-hood appearance\u003c\/li\u003e\n\u003cli\u003eEasy Installation – Direct-fit design with all required hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) CNC Mandrel-Bent Aluminum Intake Tube\u003c\/li\u003e\n\u003cli\u003e(1) Oversized High-Flow Air Filter\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2004.5-2005 Chevy\/GMC 2500HD 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2004.5-2005 Chevy\/GMC 3500HD 6.6L Duramax\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThis product is not currently for sale in California (CARB EO pending).\u003c\/li\u003e\n\u003cli\u003eWARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sinister Diesel","offers":[{"title":"Default Title","offer_id":68180545700161,"sku":"SD-CAI-LLY-DRY","price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2504\/1821\/files\/sd_product_images_RAW144806382_bcd38ccb-b314-49f5-84f5-06e9be81922c.jpg?v=1793884586","url":"https:\/\/rudysdiesel.com\/products\/sinister-diesel-cold-air-intake-for-2004-5-2005-gm-duramax-lly-6-6l-dry-filter","provider":"Rudy's Performance Parts","version":"1.0","type":"link"}