"We were done, we'd collectively added 55 extra horses in a single afternoon - without getting dirty."

Chevy High Performance - GMS Mass Airflow Sensor, Cold Air Intake & Coil On Plug Wires on 5.3L Chevy Silverado

"The end result was a huge gain in power. The best dyno pull yielded 35.07 more horsepower at 5200 rpm and 23.88 lb-ft more torque at 4000 rpm! For real world, bolt-on do-it-yourself, rear wheel horsepower that you can feel in the seat of your pants, you can't beat it."

Super Chevy - GMS Mass Airflow Sensor and Cast Intake Elbow on 1997 LT1 Z-28

"The rush of extra air into the engine is awesome as is the on-demand power."

Muscle Mustangs & Fast Fords - GMS Lightning MAF Sensor

"We saw a gain of 18 rear-wheel hp with no loss of idle quality or street drivability. It's easy power without the mess. We only wish finding horsepower was always this easy."

Super Chevy - GMS GM MAF Sensor