Whats A Maf Adapter And Why Would I Need One?

Im thinking of getting a 70mm MAF Sensor from a 94-95 Mustang but I keep reading that Im gonna need a MAF Adapter. Is it a wiring harness adapter for the plug, or is it an adapter so itll fit on the intake tubing. I have a 70mm Throttle Body, but I used the rubber ends from my BBK Cold Air Intake and hose clamp to tighten it on to the Throttle Body. Can I just do the same for the Maf Sensor if thats what the Adapter is for?
 
the 94/95 sensor housing uses a square flange on the front side instead of the hose clamps like the 89-93, the adapter is basically just a plate with a tube extension to be able to use it with the stock-style setup.
 
The 70 MM MAF has a 4 bolt flange and you need a slip flex duct connecter to mate the flex duct. That's what the MAF adapter is for.

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Metal flange adapter http://www.kustomz.com/cat3.html Buy the TR70 for $40 Or spend some time on eBay looking for one that may fit.