Quote:
Originally Posted by faceglide
The Fast Intentions Intake tubes are indeed 2.5".
They have run them past 650, and within safe limits. From what I have heard, they can take up to 750hp(theoretically) on their particular kit, no doubt 700 is within sight. I daily drive north of 610 on 12.6psi. On a 2.5" intake tube.
Your mileage may vary, maybe it is based on the kit setup, but they have found the stock maf easily capable of 650 without a reason for concern!
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You sure they dont flare up to 3" at the MAF? Not sure how you could anymore air though this 2.5" it just wont happen. I would be curious to hear any feedback directly form specialty Z.
For me right at 10.5PSI my MAF voltage is around 4.60Volts getting very close to the 5 threshold and IMO at the limits of the sensor.
Maybe altitude is playing a role here. All I know is I am most defiantly maxing out my maf running over 11PSI.