2007+ Expedition & Navigator2007, 2008, 2009 and 2010 Ford Expedition and Lincoln Navigator
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By snorkel section are you referring to the air silencer that's attached to the airbox itself or the piping from the box to the T-Body?
First thing I did when I had a weekend was to yank out that foolish silencer. Only takes about 20 minutes. As far as power goes, it's nothing you'de ever feel SOTP but it sounds better from 30% throttle on up.
In either case, I would yank that thing at the first opportunitty regardless. You'll never feel less than 20 or so HP SOTP anyways but like I mentioned in my earliar post, the sound gain from removing the silencer is more than worth the 20 minutes it'll take you to get rid of it. You don't need a special tool to remove the silencer. A few basic wrenches and a couplea screwdrivers will have it out in under 30 minutes. A dyno *might* show some gains from removing it but the sound difference is really the pat-on-the-back. Anything over 20-30% throttle will deliver a nicer sounding "gddyup" for your troubles. We all know it's not *always* about the power. It has to sound good to you too.....
I'm all stock right now, minus the air silencer. I still have the factory air filter in place! My next step is going to be an X3 from 5-Star and then a Magnaflow, but for now, just that simple mod makes me smile.
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