Sinister Diesel® SD-CAI-6.7C-13 - Aluminum Blue Cold Air Intake System with Blue Filter

The engine bay of a diesel truck is a tough environment. It’s full of heat that can rob power and performance. To feed your engine more cool air so that more fuel can be added for better combustion, you need a cold air intake. Not only is a cold air intake one of the most common and least expensive performance modifications you can make, but it is also one that brings the most benefit because cool, dense air holds more oxygen leading to increased horsepower, acceleration and torque as well as less fuel consumption. Enhance the performance of your diesel truck by treating its heart under the hood with the coolest and densest power-building air by installing the highest-quality Sinister Diesel cold air intake. Sinister Diesel intakes are all about strength, performance, simplicity, durability and fit.

Sinister Diesel intakes are designed, engineered and fabricated in-house to provide industry-leading performance and durability. All of Sinister Diesel intakes utilize CNC mandrel bent aluminum tubing for perfect fitting,, and increased strength. Aluminum holds up to the wide temperature extremes common in every engine compartment. Intakes by Sinister Diesel go all the way from the filter to the turbo, feeding your engine the cold air it needs. As everyone knows, better airflow means better performance. Sinister Diesel kits include silicone couplers that are far superior in reliability to OEM materials and can resist your engine’s temperature extremes so you can count on high performance when it matters most. All kits include the necessary installation hardware so they can be installed with common tools and minimal experience. Sinister Diesel intakes are available in polished and powder coated in the unique Sinister Blue for an eye catching and durable finish that will last for years. So enjoy increased power output and improved performance with the Sinister Diesel cold air intake.