Precision Engineered Cold Air Intakes
Maximize your diesel's potential with mandrel-bent aluminum intakes designed for superior airflow and performance.
Engineered for Peak Performance
Every Sinister Diesel intake is designed with precision to deliver measurable gains in horsepower, torque, and throttle response.
Mandrel-Bent Aluminum Construction
Our precision CNC-machined aluminum tubing eliminates airflow restrictions found in stock plastic components, while providing superior heat dissipation to maintain optimal intake temperatures.
- 100% mandrel-bent for smooth interior surfaces
- 30% better heat dissipation than plastic
- Corrosion-resistant powder coating


High-Flow Filtration System
Our oversized cotton gauze filters provide superior airflow while maintaining excellent filtration efficiency. The washable and reusable design means you'll never need to buy replacement filters.
Typical horsepower gains
Filtration efficiency
Longer lifespan than paper
Proudly Made in the USA
Every Sinister Diesel intake is manufactured in our Arizona facility with aerospace-grade aluminum and subjected to rigorous quality control testing before shipping.
From CNC machining to final assembly, we maintain complete control over the manufacturing process to ensure premium fitment and performance.
Our Manufacturing Process
Optimized for Your Diesel
Select your engine to find the perfect cold air intake solution
Ford Powerstroke
Ram Cummins
Chevy/GMC Duramax
Ready to Unleash Your Diesel's Potential?
Join thousands of satisfied customers who trust Sinister Diesel for premium performance upgrades.
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