Compatible with 2002-2006 Escalade/Avalanche 1500/Yukon, 2000-2006 Suburban 1500/2500 5.3L/6.0L V8, and 1999-2006 Silverado/Sierra 1500/2500. Designed for vehicles with a MAF (Mass Airflow) sensor, retaining the original sensor. Plug-and-play installation with no modifications or drilling required. Manufactured to strict factory standards for stable performance and excellent workmanship. Reduces intake restriction for improved airflow, increasing horsepower and torque.