Sinister Diesel Cold Air Intake 04.5-05 Chevy / GMC Duramax 6.6L LLY

Out of stock
SKU: sinSD-CAI-LLY UPC: 841788112413
Regular price $675.99

Availability Notice: Due to high demand and ongoing parts availability changes, some items may sell through before inventory is updated online. Please contact us if you would like to confirm availability before placing your order.

📧 info@dfispdx.com   |   📞 (503) 235-1947

Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.
Give a real boost to your truck'performance and save on fuel using this Sinister Diesel Duramax LLY cold air intake. It has been designed, engineered, and fabricated by Sinister Diesel itself, ensuring excellent quality. All kits come with silicone couplers designed for durability, plus all mounting hardware., Use this cold air intake for your Chevy or GMC 2004.5-2005 6.6L Duramax engine. The aluminum tubing features CNC mandrel bending for smooth airflow and excellent durability. The Signature Sinister Blue powder coat looks great and helps combat corrosion. You also receive a reusable cotton filter, eliminating the need to constantly be buying new air intake filters., Features:Precision CNC Mandrel Bent Aluminum Tubing for a Perfect Fit, Oversized Long Lasting Reusable Cotton Filter Media, Significantly Improved Throttle Response and Turbo Spool-up, Great for Daily Driving, Towing or Race Day, Perfect When Paired With a Sinister Diesel Exhaust or Tuner, Polished and Powder Coated in our Signature Sinister Blue, Easy, Drop-In Installation with Basic Hand Tools and Minimum ExperienceIncludes:CNC Mandrel Bent Aluminum Intake Tube, Reusable Cotton Media Filter, Installation HardwareClick Here for Pre-Filte.

Shipping Height: 6.0

Shipping Length: 10.0

Shipping Width: 10.0