MODDING 411 Aftermarket Parts Available for the G37: What's Good, What's Not, Where to Go etc.

High Performance Mass Air Flow Sensor

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Old Oct 15, 2013 | 03:43 AM
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High Performance Mass Air Flow Sensor

i recently discovered that jet performance released a mass air flow sensor for our g37 it claims to increase air by 45 percent anybody think this is bull?


JET Performance Products, Import & Domestic Performance, Performance Kits, Fuel Systems, Transmissions
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Old Oct 15, 2013 | 05:46 AM
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So if you replace the MAF sensors on both sides with these JET ones you're looking at a 90% airflow increase!!

I can't believe people waste their money on 5 figure turbo builds.
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Old Oct 16, 2013 | 12:57 AM
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Originally Posted by lightlypurified
i recently discovered that jet performance released a mass air flow sensor for our g37 it claims to increase air by 45 percent anybody think this is bull?


JET Performance Products, Import & Domestic Performance, Performance Kits, Fuel Systems, Transmissions

Well, that's swell, but if your not trying to push 45% more air through the engine, the extra flow capacity is kind of wasted. I would think this is intended more for forced induction where your pushing more air though the engine than it would normally suck via the pistons and swept volume of the six cylinders. Unless Infiniti under spec'd the sensor, the stock version is all a stock engine needs. So whether its bull or not seems a bit immaterial for most G owners on the road.
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Old Oct 16, 2013 | 08:24 AM
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I'm inclined to go with the "bull" option.
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Old Oct 18, 2013 | 08:30 AM
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Are you sure it isn't capable of METERING up to 45% more air similar to the UpRev sensors?

UpRev MAF GT
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Old Oct 20, 2013 | 10:08 AM
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I wouldn't buy anything from Jet products - their stuff has been historically bad in terms of performance, a lot of snake oil type of stuff.
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Old Dec 5, 2025 | 12:43 PM
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Originally Posted by G37Sam
So if you replace the MAF sensors on both sides with these JET ones you're looking at a 90% airflow increase!!

I can't believe people waste their money on 5 figure turbo builds.
Unfortunately that’s not how it works, together they’ll get you “possibly “ 45% more air you don’t add them up , I have purchased them no idea yet if they’re worth it , haven’t installed yet, works best with a tube from my understanding
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Old Dec 5, 2025 | 02:14 PM
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Aftermarket MAF sensors $400
Savings incurred from not requiring forced induction $10,000
Replying to a 12 year old thread Priceless
"There are some things money can't buy. For everything else, there's Mastercard."

Just giving you a hard time @DeafJam92

I agree with your assessment that a higher capacity MAF assumes that one can get more air into the engine and does not replace larger intakes and FI, which are the preferred vehicles for increased intake. Of course a tune would be needed to leverage the added capacity.
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Old Dec 5, 2025 | 02:39 PM
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Originally Posted by socketz67
Aftermarket MAF sensors $400
Savings incurred from not requiring forced induction $10,000
Replying to a 12 year old thread Priceless
"There are some things money can't buy. For everything else, there's Mastercard."

Just giving you a hard time @DeafJam92

I agree with your assessment that a higher capacity MAF assumes that one can get more air into the engine and does not replace larger intakes and FI, which are the preferred vehicles for increased intake. Of course a tune would be needed to leverage the added capacity.
hahaha cheers man, what is a post date for 500 Alex.

As soon as I relied I realized it was sarcasm from you , big ol dope!
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Old Dec 5, 2025 | 08:13 PM
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I honestly didn't know it was old until I saw Black Betty as one of the recent posters. That guy was G37 God when I joined. Rochester's mentor.
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