Originally Posted By: Quickvic30
Really, never had a problem with that.

Yea, but wasn't your car dynotuned?

The tuner could adjust for your setup some right there and compensate to keep your a/f trim nice and flat. Some guy on here with no tune, or only getting a "mail order" tune can't adjust for that and as a result would run slightly lean from sucking in the unmetered air. It would be the same as if there was a large vacuum leak, as the MAF is not registering the extra incoming air. Know what I mean?
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Former owner of a Grand Marquis with a few mods, Grand Marquis "LSE S/C"