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1989-04 Mustang Pro-M 92mm Custom Mass Air Meter by Pro-M

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  • Pro-M Mustang 92mm Custom Mass Air Meter (89-04)
Pro-M Mustang 92mm Custom Mass Air Meter (89-04)

Improve horsepower and throttle response in your 1989-2004 Mustang with this custom tailored Pro-M 92mm mass air meter!

Item #PMA-M92

Everyday Low Price: $394.99

  Ships from supplier by Monday, June 15
This product cannot be sold or shipped to the state of California. More Details

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LMR Call Center is open Mon-Fri 8am-5pm CT. We are currently shipping orders at full capacity. Click Here for more updates.


  • Increased Horsepower
  • Improved Throttle Response
  • Custom Tailored
  • Fits Stock Airbox or Cold Air Intake


  • 92mm Diameter
  • Integrated Sensor
  • ABS Plastic Housing
  • High Flow Air Filter

What's in the Box

  • (1) Mass Air Meter

Pro-M Brand Image

Product Description

Pro-M custom mass air meters will take 7-10 business days to arrive AFTER we receive your custom form.

Mustang Pro-M Custom Tailored Mass Air Meter
Improve the performance of your 5.0 or 4.6 engine with this 1989-2004 Mustang Pro-M mass air meter! Pro-M custom tailors this mass air meter to your specific application, based on the information you provide! The non-flanged housing is designed to bolt up to either your stock airbox or aftermarket cold air intake. Increasing the diameter of the mass air meter improves the throttle response of your Mustang, as well as provides more air for increased horsepower! A high flow air filter is included to maximize airflow. Pro-M pre-calibrates this MAF to work with your specified fuel injectors so you're ready to install upon arrival! Simply fill out the form (that will be emailed to you) with your modifications, and Pro-M will custom tailor this mass air meter for your specific car!

Mustang Pro-M 92 Mass Air Meter
This Pro-M mass air meter features a massive 92mm tube that allows you to really open up your engines air intake! When installing a larger mass air meter on your car you are allowing more air to enter your engine. This helps produce more horsepower and an increase in throttle response by the sensor relaying a message to your computer that more air is coming in. This allows more fuel to be added to maintain the proper air to fuel ratio. The Pro-M 92 is for applications making as much as 1200 flywheel HP. This Pro-M mass air meter comes with a high flow integral air filter and factory connections allowing for a quick and easy installation!

Pro-M Quality
Every Pro-M Mass Air Meter is custom calibrated to your specific application, and is held to a tolerance 3 times tighter than the OEM meters, and 5 times tighter than the competition! An accurate signal is vital to both performance and drivability. Pro-M 80, Pro-M 92 and Pro-M 117 Mass Air Meters use a patented 360 degree air sampling system that averages the airflow reading from around the entire Mass Air Meter housing. The result is the cleanest signal and most accurate air flow reading in the world. Nothing else even comes close! The Pro-M 80, 92, and 117 Mass Air Meters are the standard by which all others are judged!

Pro-M Data Sheet
Your new Pro-M Mass Air Meter is shipped to you with a Flow Data Sheet that was generated by your mass air meter on one of our flow benches. This flow sheet verifies that your new Pro-M Mass Air Meter was not only properly calibrated, but also functioning properly just minutes before it was boxed and shipped from our facility. This virtually eliminates the possibility of receiving a defective part. No one else does this! Every Pro-M meter is shipped with the proper connector for your application. No sloppy extension harnesses.

Pro-M Mass Air Meter Information
Once your order is complete, you will be emailed a form to fill out with your Mustang's information. Some of the information that will be needed is:

  • Name

  • Email Address

  • Phone Number

  • Vehicle - Year/Make/Model

  • Fuel Injector Size

  • Custom Tuned?

  • Power Adders?

  • Any additional information.

  • Note
    This Pro-M mass air flow meter does not come with a CARB OE number for California residents.

    -Fits 1989-2004 Mustang

    This product is intended for off-road use only, and is not legal for use in emission restrictive states. Off-Road Disclaimer

    Pro-M Mass Air Meter Information - Click Here

    Pro-M Racing LLC. Limited Warranty - Click Here

    California Residents:

    WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

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    Vehicle Applications

    Ford Mustang - 1989 (89) - 1990 (90) - 1991 (91) - 1992 (92) - 1993 (93) - 1994 (94) - 1995 (95) - 1996 (96) - 1997 (97) - 1998 (98) - 1999 (99) - 2000 (00) - 2001 (01) - 2002 (02) - 2003 (03) - 2004 (04)

    About This Brand

    Pro-M Racing was founded in 1989 by Bob Atwood, a Ford engineer who was instrumental in pioneering mass air technology. Pro-M quickly became the most respected name in the industry, offering the only real practical solution to the restrictive production mass air meters found in most of today's production Mustangs. We manufacture mass air meters in various sizes, shapes, and styles, as both direct bolt-in replacements, and in universal designs, to maximize your engine's horsepower potential, by allowing your engine to breathe to its fullest potential. Each mass air meter is individually calibrated specifically for you Mustang or Lighting application on one of our in-house flow benches specific to your particular application, and fuel injector size, eliminating the need for time consuming and expensive dyno tuning. Others make claims, but only Pro-M Racing possesses both the intellectual and physical properties necessary to calibrate your mass air meter to within two percent of what the OEM considers the perfect baseline.

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