{"product_id":"cold-air-intake-for-gmc-chevy-2013-2016-6-6l-lml-duramax-diesel-engine","title":"Cold Air Intake for GMC Chevy (2013-2016) 6.6L LML Duramax Diesel Engine","description":"\u003ch2\u003eHigh-Flow Cold Air Intake for 2013-2016 Chevrolet, GMC Sierra, Silverado (LML \/ GMT900 \u0026amp; K2XX)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eReplaces the restrictive factory air box and corrugated intake tract with a 4-inch aluminum mandrel-bent tube and high-flow filter to improve turbo spool-up and lower Exhaust Gas Temperatures (EGTs).\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eThe Stock Sierra, Silverado Intake Restriction\u003c\/h3\u003e\n\u003cp\u003eThe OEM induction system on the 6.6L LML Duramax utilizes a restrictive air box and a baffled plastic intake tube designed primarily for noise suppression rather than flow efficiency. This configuration creates significant air turbulence and a measurable pressure drop across the intake tract, forcing the Garrett GT3788VA turbocharger to work harder to meet boost targets. Under heavy towing loads, the stock paper filter and enclosed box contribute to heat soak, leading to higher intake manifold temperatures and a subsequent reduction in thermal efficiency and throttle response during critical power demands.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis kit utilizes 4-inch T-6061 billet aluminum piping to provide a smooth, consistent internal diameter, eliminating the turbulence associated with factory rubber bellows. The aluminum construction provides superior structural integrity under high vacuum, while the red micro-cotton washable media filter offers significantly lower micron restriction compared to stock cellulose filters. By increasing the cross-sectional area and smoothing the path to the turbo inlet, the system reduces pumping losses and improves low-end torque delivery. The open-element design also provides distinct acoustic feedback from the variable geometry turbocharger while maintaining a leak-free seal for long-term durability in heavy-duty environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2013-2016 Chevrolet, GMC Sierra, Silverado 2500HD\/3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e6.6L LML Duramax \/ GMT900 \u0026amp; K2XX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e397 hp \/ 765 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2013-2016 GMC Sierra 2500\/3500 6.6L LML Duramax Diesel\u003c\/li\u003e\n\u003cli\u003e2013-2016 Chevrolet Silverado 2500\/3500 6.6L LML Duramax Diesel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Chevrolet, GMC Duramax Standard\u003c\/h3\u003e\n\u003cp\u003eThe Chevrolet and GMC heavy-duty platform is engineered for sustained high-torque output and rigorous towing demands. This intake system reinforces that utility by ensuring the 6.6L LML engine breathes without restriction, maintaining lower operating temperatures during high-load cycles and providing the long-term component durability required for professional-grade diesel applications and GM engine swap projects.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":47996780019960,"sku":"DS-EWKAKQV5M","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cold-air-intake-for-gmc-chevy-2013-2016-6-6l-lml-duramax-diesel-engine-3.webp?v=1771273776","url":"https:\/\/performancechiptuning.com\/products\/cold-air-intake-for-gmc-chevy-2013-2016-6-6l-lml-duramax-diesel-engine","provider":"Performance Chip Tuning","version":"1.0","type":"link"}