Cold Air Intake for Chevy Silverado 2500HD/3500 (2001-2003) 6.6L Diesel Engine

Tired of your heavy-duty Silverado feeling sluggish when you need power most? Unleash the true potential of your Duramax LB7, transforming its performance from factory-restricted to truly commanding, ready for any task.

Performance Cold Air Intake for Chevy Silverado 2500HD/3500 (6.6L Duramax LB7)

The factory air box in your 2001-2003 Silverado 2500HD/3500 with the 6.6L Duramax LB7 diesel engine is often a major choke point. Designed with noise reduction in mind, its convoluted pathways and restrictive filter severely limit the amount of cool, dense air reaching your engine, particularly during demanding towing situations or aggressive acceleration. This restriction starves your Duramax, hindering its ability to produce peak horsepower and torque.

This precision-engineered cold air intake system directly addresses those limitations. By utilizing a smooth, high-velocity T304 lightweight aluminum intake pipe and a dedicated heat shield, it effectively isolates the filter from engine bay heat. The result is a consistent supply of cooler, denser air, maximizing combustion efficiency. This translates into sharper throttle response, significant gains in horsepower and torque, and a more responsive, powerful driving experience for your heavy-duty Silverado.

Why You Need This Upgrade

• Power Gain: Boosts horsepower and torque by up to 10% for a noticeable performance increase, ideal for towing and hauling.
• Premium Construction: Built with T304 lightweight aluminum for superior durability, corrosion resistance, and better heat management.
• Heat Shielding: Includes a dedicated shield to effectively block engine bay heat, ensuring lower intake temperatures and consistent power delivery.
• Fuel Efficiency: Optimizes air-to-fuel ratios for a more effective combustion cycle, potentially leading to improved mileage.
• Instant Response: Significantly improves throttle feedback for more immediate acceleration and reduced turbo lag.
• High Filtration: Features a high-flow performance air filter that shields internal engine components from debris while maintaining maximum airflow.

Technical Specifications

Replaces These OEM Applications

Compatible Vehicles:

• 2001 Chevy Silverado 2500HD 6.6L V8 Diesel
• 2001 Chevy Silverado 3500 6.6L V8 Diesel
• 2002 Chevy Silverado 2500HD 6.6L V8 Diesel
• 2002 Chevy Silverado 3500 6.6L V8 Diesel
• 2003 Chevy Silverado 2500HD 6.6L V8 Diesel
• 2003 Chevy Silverado 3500 6.6L V8 Diesel

Upgrade Your Chevy Silverado 2500HD/3500 Today

Don’t let a restrictive stock airbox hold back your Duramax LB7 / Silverado 2500HD/3500. Shop with confidence knowing that PerformanceChipTuning.com delivers the best cold air intake systems with fast shipping and expert support.