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Old 10-10-2012, 09:36 AM   #16
ATL BRZ
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Quote:
Originally Posted by tintumz22 View Post
In all those setup is Snorkel deleted?
Quote:
Originally Posted by Drift-Office View Post
Negative, I elected to keep it there.
Quote:
Originally Posted by tintumz22 View Post
Will it made difference in gains if removed?
It absolutely makes a difference. IMO the Airaid dyno run should be scrapped and done again since Airaid has stated many times in their intake development thread that when they put it on a flowbench after removing the snorkel that they measured a 20% improvement in airflow. It is clearly a bottleneck for the Airaid in particular. The velocity stack design of the Airaid inlet is actually very good at drawing in fresh, cool air versus the snorkel.

The instructions for the Airaid do not require snorkel removal but it is strongly suggested by all their reps and everyone that installs their intakes for max performance. That's likely a contributing factor to why you're seeing the top end loss on the dyno.

Quote:
To get the most airflow I recommend removing the factory inlet to let the box breathe from the space behind the bumper. It is possible to unbolt the top edge of the bumper and sneak the inlet out very carefully. We designed in a nice smooth velocity stack where it mates to the inlet which netted a couple more hp. By adding the velocity stack and removing the factory inlet, the CFM increased by 20% on the flowbench. I also stuck my hand in through the opening where the airbox breathes from and it is noticably cooler inside the bumper, so we know it is a great source for fresh, cool air.
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