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Sinister Diesel Cold Air Intake (SDCAILLY) for 2004.5-2005 Duramax 6.6L LLY

$635.70

Total: $635.70
Purchase & earn 635 points!

The Sinister Diesel Cold Air Intake for 2004.5-2005 Duramax 6.6L LLY engines enhances performance and fuel efficiency. Designed in-house, it improves throttle response and turbo spool-up for daily driving, towing, or racing. Made from CNC mandrel-bent aluminum with a Signature Sinister Blue powder-coated finish, it ensures durability and corrosion resistance.

Description

Boost your truck’s performance and fuel efficiency with the Sinister Diesel Cold Air Intake for the 2004.5-2005 Duramax 6.6L LLY engine. Designed, engineered, and fabricated in-house, this cold air intake ensures top-notch quality and exceptional performance. Whether you’re driving daily, towing heavy loads, or racing, this intake system delivers improved throttle response and turbo spool-up, making it a must-have upgrade for your Chevy or GMC truck.

The intake is built with CNC mandrel-bent aluminum tubing for smooth airflow and durability. The Signature Sinister Blue powder-coated finish not only combats corrosion but also adds a bold look under your hood. The oversized reusable cotton filter ensures maximum airflow while reducing maintenance costs, eliminating the need for frequent filter replacements.

 

Why the Sinister Diesel Intake Stands Out

Sinister Diesel intakes are engineered to enhance your truck’s performance, sound, and durability. Here’s why they’re a favorite among diesel enthusiasts:

Optimized Airflow for Peak Performance

The CNC mandrel-bent aluminum tubing ensures unrestricted airflow, boosting engine efficiency and overall performance.

Durable and Reliable Construction

Made from premium materials, this intake is built to last and withstand harsh engine conditions while maintaining a stylish appearance.

Enhanced Turbo Sound

Enjoy the improved turbo sound for a more satisfying and aggressive driving experience.

Additional information

Weight 24 lbs
Dimensions 10 × 10 × 6 in
Brand

Manufacturer

Fitment

2005 Chevy/GMC 2500 6.6L

2005 Chevy/GMC 3500 6.6L

2004 Chevy/GMC 2500 6.6L

2004 Chevy/GMC 3500 6.6L

Features

  • Precision CNC Mandrel Bent Aluminum Tubing

    – Provides smooth airflow and ensures a perfect fit for your 6.6L Duramax LLY.

  • 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 bold aesthetic 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.

Includes

  • CNC Mandrel Bent Aluminum Intake Tube
  • Reusable Cotton Media Filter
  • Installation Hardware

Installation

Installation Instructions

Warning

This product CANNOT be shipped to California!

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Warning

Proposition 65

This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

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