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GMS Mass Air-Flow Sensor (01-04 C5 LS1/LS6)

GMS Mass Air-Flow Sensor (01-04 C5 LS1/LS6)
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Item #:11121650
Manufacturer Info:Granatelli Motor Sports 350119
Market Price:$449.99 - You Save 17% ($77.00)
Our Price:$372.99

Product Description

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Corvettes are powerful machines straight out of the factory, but this Mass AirFlow Sensor will bring your Corvette to a new level of performance. The Mass Airflow Sensor works by measuring the amount of air entering the engine, which in turn, allows the air intake to provide an output voltage reading that is directly proportional to the amount of air entering the engine. This airflow measurement reduces the amount of calculations required to control fuel and ignition spark advances. Ultimately, your vehicle will be able to react quicker to changes in airflow, which provides better throttle response and improves overall drivability.

Granatelli Motor Sports calibrates these Mass Air-Flow Sensors for your specific application, which optimizes performance. Each application is also dyno-tested and driven in real-world tests using sophisticated air/fuel ratio monitors, exhaust gas temperature gauges and data logging computers. The result of all the testing is optimum performance for your specific application!


  • Direct OEM Replacement
  • Dyno Proven 8-25 Horsepower Gains
  • Improves Performance from 2000 RPM to Red-Line
  • Easy Installation (Instructions shown below)
Installation Instructions

This Mass Air Flow Sensor does not include Cold Air Tuning. If you now have or plan to install a high flow air intake or air filter system, you MUST have the Mass Air-Flow Sensor with Cold Air Tuning due to the increased airflow. When using the GMS mass airflow sensor with any type of cold air induction, high flow induction, or high flow air filter, your GMS mass airflow sensor must be calibrated with cold air tuning or a check engine light can occur. We do carry this same model Mass Air-Flow Sensor with Cold Air Tuning.

*Note: This Mass Air-Flow Sensor is for 2001-2004 Corvettes with LS1 or LS6 Engines

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