SRT Intake shield measurements - Page 2 - Lexus IS Forum
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post #16 of 16 (permalink) Old 02-13-2017, 09:07 PM
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Originally Posted by 02TooJayZ View Post
I have been told that running the ram air directly into the path of the air filter will cause stalling upon deceleration at highway speeds and that is why SRT used the blocking plate to slow the massive air flow down a bit. Just what i have heard. For what it's worth.
I've seen people say that air turbulence caused by direct air flow from the ram air scoop causes a CEL, and others say that they removed the air deflector with no issues for a long time.

Originally Posted by Mayo View Post

...That's a good question and I have an answer. I was told that the reflector/baffle prevents an engine check light. Well, I have NEVER received one. Even the Lexus technician said it wasn't necessary so I removed it and haven't looked back since. It's been about three years now.
I didn't feel the need to remove the air deflector and I have never had an air turbulence CEL in ~9 years.

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