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Sinister Diesel 03-07 Dodge Ram Cummins 5.9L Cold Air Intake

The more air you can get to your truck's engine the better and more efficiently it runs, and factory air intakes just can't stand up to the Sinister Diesel 2003-07 Dodge Cummins 5.9L cold air intake in this regard. This cold air intake kit significantly improves throttle response and turbo spool up, and it's great for daily driving, towing and even racing applications!, If you're looking to get more performance and fuel economy from your 5.9L Cummins engine, then the Sinister Diesel 2003-07 Dodge Cummins 5.9L cold air intake is the way to go. The aluminum tubing features CNC mandrel bending for smooth airflow and excellent durability, and it also comes with long-lasting reusable cotton filter media that is oversized to maximize air flow. This tubing is polished and powder coated in the signature Sinister Blue helping to combat corrosion and adding a great look under the hood., The 2003-07 Dodge Cummins 5.9L cold air intake has been designed, engineered and fabricated by Sinister Diesel ensuring the highest level of performance and quality, and these kits come with all mounting hardware required for the installation as well as silicone couplers designed for maximum durability. This kit has been developed for an easy, drop-in installation with basic hand tools and minimum experience., Give a real boost to your truck'performance and save on fuel using this Sinister Diesel 2003-07 Dodge Cummins 5.9L cold air intake. Cold Air Intake for 2003-2007 Dodge/Ram Cummins 5.9L. 2003-2007 Dodge/Ram 2500; 3500; 5.9L
  • 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 Experience;Includes:CNC Mandrel Bent Aluminum Intake Tube, Reusable Cotton Media Filter, Installation HardwareClick Here for Pre-Filter; moving. The issue with a plastic intake, while it takes just as much time to heat up, it takes a considerable amount more time to dissipate that heat build up, also known as heat soak. We could easily out source our intakes like most other companies, but instead we choose to spend more time and effort to make these out of a much better material, in house with our own welders and materials.

Improve airflow, throttle response, and turbo spool-up with the Sinister Diesel SD-CAI-5.9C-04 cold air intake for 2003-2007 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L Cummins diesel engine. Designed as a high-flow replacement for the restrictive factory intake, this kit supports improved engine breathing for daily driving, towing, performance use, and racing applications. It is also an excellent complement to a Sinister Diesel exhaust system or tuner.
The intake uses precision CNC mandrel-bent aluminum tubing to promote smooth airflow while providing excellent durability and resistance to heat soak. The tubing is polished and powder coated in Sinister Diesel’s signature blue finish to help combat corrosion and deliver a clean appearance under the hood. An oversized, reusable cotton media air filter maximizes airflow and can be cleaned and reused for long-term service.
Sinister Diesel designs and manufactures this intake for a precise fit and dependable performance. The kit includes the intake tube, reusable cotton filter, durable silicone couplers, and mounting hardware required for installation. Its drop-in design allows installation with basic hand tools and minimal mechanical experience, making it a practical upgrade for owners seeking stronger response and efficient airflow without extensive modifications.
This Sinister Diesel cold air intake is engineered specifically for 2003-2007 Dodge Ram Cummins 5.9L applications. Verify vehicle fitment before installation and note that this product is not CARB approved.

Features:

  • Fitment: Designed for 2003-2007 Dodge Ram 2500 and 3500 trucks with the 5.9L Cummins diesel engine
  • Airflow: High-flow intake design helps improve throttle response and turbo spool-up
  • Tubing: Precision CNC mandrel-bent aluminum construction promotes smooth airflow and durability
  • Filter: Oversized, reusable cotton media filter supports increased airflow and long-term use
  • Heat Resistance: Aluminum construction helps reduce heat-soak concerns compared with plastic intake tubing
  • Finish: Polished and powder-coated in Sinister Diesel signature blue for corrosion resistance and under-hood style
  • Installation: Drop-in design includes silicone couplers and mounting hardware for installation with basic hand tools
  • Applications: Suitable for daily driving, towing, performance use, and racing applications
  • Brand: Sinister Diesel
  • Part Number: SD-CAI-5.9C-04

Fitment:
Dodge Ram 2500 Laramie 2003
Dodge Ram 2500 Laramie 2005
Dodge Ram 2500 Laramie 2006
Dodge Ram 2500 Laramie 2007
Dodge Ram 2500 SLT 2003
Dodge Ram 2500 SLT 2004
Dodge Ram 2500 SLT 2005
Dodge Ram 2500 SLT 2006
Dodge Ram 2500 SLT 2007
Dodge Ram 2500 Sport 2006
Dodge Ram 2500 Sport 2007
Dodge Ram 2500 ST 2003
Dodge Ram 2500 ST 2004
Dodge Ram 2500 ST 2005
Dodge Ram 2500 ST 2006
Dodge Ram 2500 ST 2007
Dodge Ram 2500 TRX4 2006
Dodge Ram 2500 TRX4 2007
Dodge Ram 3500 Laramie 2003
Dodge Ram 3500 Laramie 2004
Dodge Ram 3500 Laramie 2005
Dodge Ram 3500 Laramie 2006
Dodge Ram 3500 Laramie 2007
Dodge Ram 3500 SLT 2003
Dodge Ram 3500 SLT 2004
Dodge Ram 3500 SLT 2005
Dodge Ram 3500 SLT 2006
Dodge Ram 3500 SLT 2007
Dodge Ram 3500 Sport 2006
Dodge Ram 3500 Sport 2007
Dodge Ram 3500 ST 2003
Dodge Ram 3500 ST 2004
Dodge Ram 3500 ST 2005
Dodge Ram 3500 ST 2006
Dodge Ram 3500 ST 2007
Dodge Ram 3500 TRX4 2007