Injen Evolution Cold Air Intake GM Duramax LB7 6.6L 2001-2004 Silverado Sierra

Injen Evolution Cold Air Intake GM Duramax LB7 6.6L 2001-2004 Silverado Sierra

The Injen Evolution Cold Air Intake is a high-performance solution designed specifically for the GM Duramax LB7 6.6L engines found in the 2001-2004 Silverado and Sierra models. This innovative intake system is engineered to provide a significant increase in airflow to the engine, optimizing combustion efficiency and delivering a noticeable boost in horsepower and torque. By allowing cooler, denser air into the engine, the Injen cold air intake helps improve overall engine performance, driving the vehicle's acceleration and responsiveness to new heights.

This intake system features a seamless, mandrel-bent construction that minimizes airflow restrictions, ensuring that every cubic inch of air reaches the engine without turbulence. The patented oversized air filter design captures more particulates while still allowing for high airflow rates, which is essential for maintaining engine health and longevity. Injen's commitment to quality is evident in the use of durable materials that withstand harsh conditions, ensuring this intake stays effective over time.

FITMENT:
Compatible with GM Duramax LB7 6.6L engines in 2001-2004 Silverado and Sierra models.

Key Features & Benefits

• Increased airflow for improved horsepower and torque.
• Dedicated design for optimal fit and performance in GM Duramax LB7 engines.
• Mandrel-bent tubing enhances air circulation and reduces restrictions.
• Oversized air filter ensures maximum airflow while protecting the engine.
• Durable construction resists corrosion and withstands harsh environments.
• Easy installation with included hardware and instructions.

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.