SKU: SD-CAI-6.7C-19 Sinister Diesel Cold Air Intake for 2019-2021 Dodge/RAM Cummins 6.7L

Sinister Diesel Cold Air Intake – 6.7L Cummins (2019–2021)

Fits 2019–2021 Dodge Ram 2500/3500 with 6.7L Cummins Diesel

Not for Sale in California – CARB EO# Pending

Key Features

• Precision CNC mandrel-bent aluminum tubing – smooth airflow and perfect fit

• Oversized reusable cotton filter – maximizes airflow and reduces replacement costs

• Improved throttle response and turbo spool-up – noticeable power gains in all driving conditions

• Enhanced turbo sound – louder whistle and more aggressive exhaust brake tone

• Powder-coated in Sinister Blue – corrosion-resistant finish with a bold look under the hood

• Complements other upgrades – pairs perfectly with a Sinister Diesel exhaust or tuner

• Easy drop-in installation – includes all hardware, installs with basic hand tools

• Backed by a 2 Year Warranty

Reasons to Upgrade

• Factory intake restricts airflow and holds back performance

• Gain horsepower, torque, and throttle response

• Hear your turbo whistle and exhaust brake louder and clearer

• Improves drivability for towing, hauling, or racing

• Washable filter saves money long-term compared to disposables

• Adds a signature Sinister Blue upgrade to your engine bay

Product Description
The Sinister Diesel Cold Air Intake for the 2019–2021 Dodge Ram 6.7L Cummins is built to unlock the airflow and performance the factory intake can’t deliver. The CNC mandrel-bent aluminum tubing and oversized reusable filter improve throttle response, quicken turbo spool, and enhance overall engine efficiency.

This intake doesn’t just add performance—it transforms the driving experience with an aggressive turbo whistle and exhaust brake sound. Finished in our signature Sinister Blue powder coat, it’s built to resist corrosion while adding a bold look to your engine bay.

Installation is straightforward with included hardware and no special modifications required. Whether you’re towing, racing, or daily driving, this intake is designed to perform.

Why Buy From Sinister Diesel?
Since 2009, Sinister Diesel has been the trusted source for Cummins, Powerstroke, and Duramax performance upgrades. Each intake is engineered in-house, tested in real-world conditions, and backed by a 2 Year Warranty—giving you the reliability, performance, and style your truck deserves.

What’s Included

• (1) CNC Mandrel-Bent Aluminum Intake Tube

• (1) High-Flow Performance Filter – Cleanable or Dry

  Choose between a washable, reusable cotton filter for long-term savings or a dry filter for low-maintenance convenience—both designed to maximize airflow and engine protection.

• Installation Hardware