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

Sinister Diesel

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

SKU: sinSD-CAI-LLY

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...

$519.99$675.99Save 23%
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Overview

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.

Features

  • We have been testing and running these for quite some time, and have out performed every other intake we have put it up against.
Cold Air Intake

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Fitment notes (catalog)

2004-2005 Chevy/GMC 2500; 3500; 6.6L

Summarized compatible vehicles also appear under Description → Fitment.

Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.