Thread: Air flow test (drop-ins)
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Old 06-28-2014, 01:09 AM   #19 (permalink)
FuTuRe is Z
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Quote:
Originally Posted by Roddy1 View Post
There is a dyno sheet here from a member showing the gains from the drop ins alone. They make 5hp and then 1hp extra with the MAF tubes.

They added an axle back and combined got a peak hp gain of 9.5hp total for the drop ins, MAF tubes and axleback.
And then you need a tune to make an additional 12whp.

That's all it takes for 305 ish whp.
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