Cold Air Intake System

By positioning the air filter outside the engine compartment, it draws in denser, oxygen-rich air. This leads to a more efficient combustion process, translating into noticeable gains in horsepower and torque across the entire RPM range. The intake pipe is crafted from lightweight T-304 aluminum with a polished finish, designed to harmonize with the engine's resonance for optimal airflow. This air intake system is specifically designed for 2001-2004 Chevrolet Silverado 2500HD/3500 models and 2001-2004 GMC Sierra 2500HD/3500 models equipped with the 6.6L V8 Diesel LB7 engine. It fits both manual and automatic transmissions. However, it is crucial to note that not all 2004 model year vehicles are equipped with the LB7 engine. This intake kit will only fit 2004 model year vehicles specifically with LB7 engine types, which can be identified by the 8th digit of the VIN being '1'. The system also provides an intense, deep sporty sound. Spelab offers a 12-month warranty, a 30-day return policy, and free shipping for the 48 lower states.