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Our Best Sellers

  • 3" Slot Style Pro-Tube

    3" Slot Style Pro-Tube

    Pro-M Racing 3 inch Slot Style Pro Tube is capable of handling 800 flywheel HP.


    The 3" Slot Style Pro-Tube is a universal mass air meter for "Blow Through" applications. It simply becomes a part of the duct work between the supercharger (or turbocharger) and the throttle body. The 3" Slot Style Pro-Tube features welded construction (no cheesy rivets!). The ends are bead rolled for a positive seal.
  • Pro-M EFI 302 Ford Complete Mass Air Sequential Port EFI System

    302 Ford Complete Mass Air Sequential Port EFI System


    The Pro-M EFI 302 Complete Mass Air Sequential Port EFI System is hands down the best aftermarket EFI system in the industry! Featuring the all new programmable Pro-M EFI Engine Management Computer! Learn More
  • 351W Efi System by Pro-M Racing

    351 Windsor Complete Mass Air Sequential Port EFI System


    The Pro-M EFI 351 Windsor Complete Mass Air Sequential Port EFI System is hands down the best aftermarket EFI system in the industry! Featuring the all new programmable Pro-M EFI Engine Management Computer! Learn More
  • Pro-M Racing 75mm Bullet

    75MM Plastic Bullet (un-flanged)

    The Pro-M 75mm unflanged Bullet is a direct replacement for the 88-93 5.0 Mustang (Fox Body / Third Generation), as well as any other Ford vehicle originally equipped with a 55 or 70mm unflanged Mass Air Meter housing.
    $209.99
  • GM 85mm 5 Pin Meter

    GM 85mm 5 Pin Meter

    Pro-M Racing, LLC. mass air meters for GM applications appear to be exactly the same product that you have seen advertised by other manufactures. All aftermarket manufactures (Pro-M Racing, LLC. included) start with the same production GM meter. The entire housing is machined, allowing it to flow more air than the stock meter. This is where the similarities end. Modifying the meter housing allows the meter to flow more air, but in the process, the calibration of the meter is thrown way off.

    $334.99
  • Pro-M 117 with conical filter

    Pro-M 117

    The Pro-M 117mm High Flow Mass Air Meter is the "LARGEST" mass air meter made. With a bell mouth inlet and 5 inch outlet, nothing comes close! Forged out of high quality cast aluminum and shipped with it's lifetime filter. Used by Stuska Dynamometers around the country!
    $449.99
  • Pro-M 80

    Pro-M 80

    The Pro-M 80mm High Flow Mass Air Meter is our flagship mass air meter. It is by far the most popular mass air meter ever offered. The Pro-M 80 is built out of a high quality polymer and shipped with it's lifetime filter.
    $309.99
  • Pro-M 92

    Pro-M 92

    The Pro-M 92mm High Flow Mass Air Meter is the undisputed "Bad-Ass" of mass air meters. Forged out of high quality cast aluminum and shipped with it's lifetime filter.
    $394.99
  • Pro-M EFI T-Shirt

    Pro-M EFI T-Shirt

    Look stylish and show off this exclusive Pro-M EFI T-Shirt to your friends at the track or the grocer store. High quality and available in 4 sizes, featuring the Pro-M EFI logo on the front and back!
    $9.99
  • Pro-M EFI Universal Hotrod Engine Management Computer

    Pro-M EFI Universal Hotrod Engine Management System


    Any Engine, Any Car!

    The all new Pro-M EFI Engine Management System includes our new fully programmable Pro-M EFI processor, tuning software, USB connection for laptop tuning and universal engine management harness. Learn more . . .
  • Pro-M FORD 6.0L Diesel Sensor

    Pro-M FORD 6.0L Diesel Sensor

    The Pro-M 2003 - 2007 FORD 6.0L Diesel Sensor was designed to break through the limitations of the stock sensor. When used in the stock air housing you will quickly realize and increase in throttle response (less turbo lag), increase in Miles Per Gallon (MPG) and increased torque. Learn More
    $199.99
  • Pro-M Recalibration

    Pro-M Meter Recalibration

    If you are changing injector size, or installing your mass air meter into a different vehicle, you will need to get your meter recalibrated.


    Recalibrations are handled directly through Pro-M Racing. Please DO NOT send your meter to a distributor to be recalibrated.


    We WILL recalibrate any Pro-M meter, new or old. Older Pro-M meters will have "Pro-Flow" and/or "Professional Flow Technologies" on the lid. These are old Pro-M meters, and we DO offer recalibration for these.


    Please follow these simple steps very carefully to ensure a 1-2 day turn around on your meter.


    1) Fill out this form completely, add it to your cart and checkout! The shipping charge that is added to this order is for the return shipping. All orders are shipped UPS ground unless you choose an expedited method.


    2) An order confirmation will be emailed to you. Print the order confirmation and put it in the box with your meter.


    3) Ship your meter (the whole meter not just the electronic sensor) to Pro-M Racing, 77 Snow Road, West Brookfield MA, 01585 - Please remember to put the order confirmation in the box. DO NOT ship with "signature required". DO NOT use packing peanuts. Please keep your tracking number so you will know when we receive your meter. Please DO NOT call and ask if your meter was received.



    4) You will receive a UPS tracking number when we ship your meter. This is your notification that the meter is completed and is on its way back to you. Please DO NOT call and ask if your meter was shipped.








    PLEASE MAKE SURE TO SEND THE ENTIRE METER ASSEMBLY - SENSOR, HOUSING AND CONICAL FILTER IF APPLICABLE!
    * Failure to follow these instructions will cause delays in the return of your meter.

    If your meter is unable to be recalibrated you will still be charged $50 for the testing unless you are purchasing a repair.

    If your meter is left at Pro-M for greater than 30 days with no response to our emails or calls it will be considered abandoned and disposed of.

    $100.00
  • Pro-M Slot Style Mass Air Sensor

    Pro-M Slot Style Mass Air Sensor

    Pro-M "Slot Style" Mass Air Sensor


    The Pro-M "Slot Style" mass air sensor used in all 05 and up voltage based Ford products. It can also be used in any voltage based vehicle and comes with a 30 point transfer function sheet at NO additional charge!
    $199.99
  • Pro-M Wave for 2011 and up Mustang - Frequency Type Sensor

    Pro-M Wave for 2011 and up Mustang - Frequency Type Sensor

    Introducing the all new PRO-M WAVE!


    The PRO-M WAVE is the newest creation in after market Mass Air Sensors by Pro-M Racing. If you are looking for versatility, performance, accuracy and quality then the PRO-M WAVE is what you have been looking for.
    $349.99
  • 350 Small Block Chevrolet Complete Mass Air Sequential Port EFI System

    Small Block Chevrolet Complete Mass Air Sequential Port EFI System


    The Pro-M EFI Small Block Chevrolet Complete Mass Air Sequential Port EFI System is hands down the best aftermarket EFI system in the industry! Featuring the all new programmable Pro-M EFI Engine Management Computer! Learn More