Spectre - 9705
$58.48 / unit
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Mass Air Flow Sensor Adapter

Mass Air Flow Sensor Adapter; Fits w/04 And Later Vehicles w/3.25-4 in. MAFS Tubes; Adapts Mass Air Flow Sensors To 4 in. Intake System; Polished Aluminum; Incl. Bolts/4 in. Tube;


  • Automotive Item Grade: High Performance
  • Hardware Included: Yes
  • Inlet Diameter: 4.000 in. (101.6mm)
  • Inside Diameter: 3.813 in. (97mm)
  • Item Weight: 1.000 lbs. (0.5 kg)
  • Material: Aluminum
  • Outside Diameter: 4.000 in. (102mm)
  • Package Material: Paperboard
  • Package Type: Box
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm -


  • Used To Create A Custom Air Intake
  • Polished Aluminum Body With ABS Components
  • Tuning Components Are ABS Construction

The Spectre 4 inch Aluminum Mass Air Flow Sensor Adapter Kit is designed for use with drop-in style mass air flow sensors on 2004 and later vehicles. With an outside diameter measuring 4 inches by 4 inches long, this kit features a polished aluminum tube with ABS components and the necessary hardware. This kit includes 2 flow calibration tubes - 76 millimeter and 89 millimeter, reducing the 4 inch intake system to the correct diameter at the sensor to retain calibration.

Since 1983 Spectre has designed and offered unique and innovative parts and components to fuel your car or truck obsession. Our products are designed and tested to perform and last. We have a state of the art chassis dynamometer with diagnostic and emissions testing and performance optimizing capabilities, as well as a top of the line Super-Flow flow bench with airflow, pressure, and velocity measuring capabilities in both intake and exhaust modes, and also a whole bunch of expensive scientific laboratory type equipment, all of which are used to develop Quality Products that Perform. From humble beginnings in a two car garage, to setting world records and becoming the first wheel driven, gasoline powered car to run over 400 mph, it's been one heck of a ride.

Manufacturer Part Number

MPN: 9705


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