{"product_id":"cold-air-intake-kit-for-chevrolet-silverado-2500hd-3500-2001-2004-with-6-6l-v8-diesel-engine-black","title":"Cold Air Intake Kit for Chevrolet Silverado 2500HD\/3500 (2001-2004) with 6.6L V8 Diesel Engine Black","description":"\u003cp\u003e\u003cem\u003eStop letting your Duramax breathe through a straw; it’s time to eliminate the restrictive factory air box and let that LB7 turbo finally whistle.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003ePerformance Cold Air Intake System for Chevrolet Silverado and GMC Sierra 2500HD\/3500 (LB7 Duramax)\u003c\/h2\u003e\n\u003cp\u003eIf you’re running an early 2000s 6.6L Duramax, you know the LB7 is a workhorse, but the stock intake tract is notorious for being a bottleneck. The factory corrugated plastic tubing and enclosed box are designed more for silencing the engine than for actual thermal efficiency or flow. For enthusiasts looking to decrease EGTs (Exhaust Gas Temperatures) and pick up noticeable throttle response, moving to a high-flow mandrel-bent aluminum setup is the first \"wrench-day\" project you should tackle.\u003c\/p\u003e\n\u003cp\u003eThis Black Pipe Intake Kit replaces the entire restrictive assembly from the turbo inlet out. Unlike the stock unit, which struggles to provide enough volume during heavy towing or high-boost scenarios, this T304 lightweight aluminum piping provides a smooth, consistent path for cold air. It’s a purposeful upgrade that addresses the \"stuffy\" feeling of the 6.6L V8 Diesel, ensuring your engine isn't fighting for air when the grade gets steep.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCritical Fitment Note:\u003c\/strong\u003e For the 2004 model year, GM transitioned between engine codes. This kit is specifically engineered for the \u003cstrong\u003eLB7\u003c\/strong\u003e engine. To verify your 2004 truck is compatible, check the 8th digit of your VIN; it must be a \"1\". If your 8th digit is \"2\", you have the LLY engine, and this specific kit will not seat correctly on your turbo inlet.\u003c\/p\u003e\n\u003ch2\u003eWhy You Need This Upgrade\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Power Delivery:\u003c\/strong\u003e Boosts horsepower and torque by up to 10% by reducing intake vacuum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent T304 Aluminum:\u003c\/strong\u003e Lightweight piping maintains structural integrity under heat and provides a sleek, blacked-out engine bay aesthetic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Filtration:\u003c\/strong\u003e High-airflow washable filter captures debris while allowing the turbo to spool faster and louder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Maintenance Costs:\u003c\/strong\u003e The reusable filter only requires cleaning every 50,000 miles under normal highway driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeeper Induction Note:\u003c\/strong\u003e Replaces the muffled factory sound with a deep, throaty diesel growl and audible turbo spool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e2001-2004 Chevy\/GMC 2500HD\/3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eEngine Code\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e6.6L V8 Diesel LB7 (VIN 8th Digit \"1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eInstallation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eEasy \/ Est. 60 Minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eT304 Aluminum \/ Black Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis is a true bolt-on kit that requires only basic hand tools—primarily screwdrivers and a socket set. The process involves removing the bulky factory air box and securing the new heat shield and aluminum piping. \u003cstrong\u003ePro Tip:\u003c\/strong\u003e Always disconnect your battery terminal for a few minutes after installation. This forces the ECM to reset and \"re-learn\" the new, increased airflow parameters for optimal fuel mapping.\u003c\/p\u003e\n\u003ch3\u003eReplaces These OEM Applications \u0026amp; Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2001-2003 Chevrolet Silverado 2500HD All Model 6.6L V8 Diesel\u003c\/li\u003e\n\u003cli\u003e2001-2003 Chevrolet Silverado 3500 All Model 6.6L V8 Diesel\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 2500HD All Model 6.6L V8 Diesel (LB7 Engine ONLY)\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Silverado 3500 All Model 6.6L V8 Diesel (LB7 Engine ONLY)\u003c\/li\u003e\n\u003cli\u003e2001-2003 GMC Sierra 2500HD All Model 6.6L V8 Diesel\u003c\/li\u003e\n\u003cli\u003e2001-2003 GMC Sierra 3500 All Model 6.6L V8 Diesel\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 2500HD All Model 6.6L V8 Diesel (LB7 Engine ONLY)\u003c\/li\u003e\n\u003cli\u003e2004 GMC Sierra 3500 All Model 6.6L V8 Diesel (LB7 Engine ONLY)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-family: monospace; font-size: 0.9em; color: #666; background-color: #f5f5f5; padding: 10px; border-radius: 4px;\"\u003eLB7-66-2001, LB7-66-2002, LB7-66-2003, LB7-66-2004-VIN1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGive your Duramax the airflow it deserves and enjoy a more responsive, efficient, and better-sounding truck today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":47758386757880,"sku":"DS-BHI-CH04-RD-SILVERADOBLK","price":209.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/red_chevroler_silverado__62558.1604160798.1280.1280.jpg?v=1767727558","url":"https:\/\/performancechiptuning.com\/products\/cold-air-intake-kit-for-chevrolet-silverado-2500hd-3500-2001-2004-with-6-6l-v8-diesel-engine-black","provider":"Performance Chip Tuning","version":"1.0","type":"link"}