Granatelli Mass Air Flow Sensor w/ Cold Air Tuning, Black (1999-2006 GM Truck & SUV 4.8L, 5.3L, 6.0L, 6.2L & 8.1L)

Fits GM Truck/SUV (Not Vans) - 4.8L, 5.3L, 6.0L, 8.1L, 4.3L Full Size
Calibrated for use with vehicles that have a higher displacement (8.1L) or with vehicles that are running a combination of a cold air intake system and aftermarket headers.
Direct OEM replacement, won't void your factory warranty
Improves mileage and throttle response
Chassis dyno proven to add 8-25 horsepower (depending on application), 60% airflow increase over stock
Improves performance from 2,000 rpm to red line
"Truly Calibrated" on our in-house MAF Dyno and Flow Bench to optimize performance for YOUR specific application
Compatible with most electronics and aftermarket bolt-on performance equipment
Installs in 10-15 minutes using basic hand tools.