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Upgrade 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.
Features:
Included:
Optimized Airflow for Peak Performance:
Durable and Reliable Construction:
Enhanced Turbo Sound:
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.
Fitment:
Note:
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