It depends, What type of truck do you have? If your truck is fuel injected(not throttle body)and currently uses one, an aftermarket intake and MAF,should yield a noticable difference.Maybe 10-20 hp. however if you dont currently have one, adding one wont help. It's purpose is to monitor incoming air,so the engines computer can match the fuel accordingly.I hope that helps,the title left me wondering if you meant aftermarket MAF sensor or just a MAF in general.
What kind of truck is it? I put a aftermarket one on my 96 F150 and it did nothing so I sold it again. If you currently have a speed density system switching over to mass air is usually a good upgrade.
You should already have one in your system so , yes you could put an aftermarket one in. You should get more performance out of the modified intake than the MAF. I like to modify the intake and exhaust on my vehicles. On the Fords you can usually get 10 - 30 hp and better throttle response. My F150 has a K&N FIPK intake and a gibson catback exhaust.
Yeah if your truck already has one then you would be pretty disappointed. Considering how much the maf is, the money could buy alot more.
Your truck engine like anything else is basically an airpump. The easier it pumps air into and out of the engine the more efficiently it will run. The first things to replace on a car/truck are the intake and exhaust.
I bought an expedition 3 weeks ago and have already installed cold air intake, headers, catback dual exhaust. Computer programmer is next along with electric fans.
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