Sinister Diesel Cold Air Intake with Dry Cleanable Cotton Filter; Blue (11-12 6.6L Duramax Silverado 2500 HD)Find parts that fit my vehicle

Sinister Diesel Cold Air Intake for Duramax 6.6L LML (2011-2012) - Product OverviewUpgrade your 2011-2012 Duramax 6.6L LML with the Sinister Diesel Cold Air Intake (CAI) for enhanced performance, better fuel efficiency, and superior engine sound. Factory air intakes can't compete with the Sinister Diesel CAI when it comes to delivering significantly improved throttle response and turbo spool-up. Whether you're driving daily, towing, or racing, this intake system is a must-have for your Duramax engine.This intake features CNC mandrel-bent aluminum tubing, which minimizes heat soak while providing smooth airflow and excellent durability. The oversized reusable cotton filter ensures maximum airflow and superior filtration. Finished in Signature Sinister Blue powder coating, this intake offers corrosion resistance and a bold, stylish look under your hood.Note: This product is patent pending and not currently for sale in California (CARB EO # pending).Key Features of the Sinister Diesel Cold Air IntakePrecision CNC Mandrel Bent Aluminum Tubing– Delivers smooth airflow and ensures a perfect fit for your 6.6L Duramax LML.Oversized Long-Lasting Reusable Cotton Filter Media – Enhances airflow and reduces maintenance costs.Improved Throttle Response and Turbo Spool-up – Ideal for daily driving, towing, and racing applications.Polished and Powder Coated in Sinister Blue – Adds durability, corrosion resistance, and a striking appearance under the hood.Perfect When Paired With a Sinister Diesel Exhaust or Tuner – Complements other performance upgrades for maximum gains.Easy, Drop-In Installation – Includes all necessary hardware for a quick and hassle-free setup.Why the Sinister Diesel Intake Stands OutSinister Diesel intakes combine precision engineering with superior materials to deliver unmatched performance and durability. Here’s why our intakes are the preferred choice for diesel enthusiasts:Optimized Airflow for Peak PerformanceCNC mandrel-bent aluminum tubing minimizes airflow restrictions, maximizing engine performance and efficiency.Durable and Reliable ConstructionBuilt from high-quality materials and powder-coated for added corrosion resistance, this intake is designed to last.Enhanced Turbo SoundEnjoy an aggressive and satisfying intake sound that complements your Duramax engine’s performance.What’s Included in the KitCNC Mandrel Bent Aluminum Intake TubeReusable Cotton Media FilterInstallation HardwareFrequently Asked Questions (FAQs)Does aluminum conduct more heat than plastic?Yes, aluminum conducts heat faster than plastic, but its thin-walled design allows it to dissipate heat efficiently, reducing the risk of heat soak and maintaining cooler air intake temperatures.

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