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theshyguy



Posts : 814
Join date : 2013-04-24

PostSubject: Aftermarket   May 13th 2014, 12:12 pm

So I bought the wife a 2012 Expedition and while I knew the mileage would be low compared to her car it is lower than I expectes. It is rated 14-20 but so far the best I have gotten was 13.3 and the lowest was 12.3 with a little bit of towing involved in that number. I am it really complaining, sorta just looking for a reason to mod it. But better mileage would be better and hopefully increase the engines longevity as we plan to keep it for the next decade or longer. So I am wanting to do some aftermarket stuff. I have heard the exhaust would be the best to do as Ford puts on very restrictive exhaust systems. Then an intake and possibly a chip with an economy setting and the power settings.

So far the Gibson exhaust seem to be the best value. I don't want the exhaust to be loud so I like the signal exhaust pipe option. K&N seem to be the best intake. As far as chips I saw on an Expedition forum that a lot of them use SuperChip or 5 Star Tuning for a custom tune.

Anyone have any experience with any of these?
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joemac

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Posts : 1916
Join date : 2013-04-17
Location : Texas

PostSubject: Re: Aftermarket   May 13th 2014, 1:11 pm

From my experience its extremely difficult to validate MPG benefit marketing claims by any aftermarket product.

Exhaust wouldn't be my first choice as you have stated with most having increased noise.  Cost per HP, or cost per MPG gain exhaust wouldn't the first thing I would go after.

Be weary of the K&N, while they flow relatively well they also allow a considerable amount of dirt to pass.  This can be verified in the engine oil as sampled "silicon".  

Wix from lab test usually test very well for flow and trapping for in the traditional paper filter form.  If I were to go aftermarket intake I would seriously consider one of the from dry filters.  There are two or three aftermarket companies that make OEM foam replacements.  The dry foam air filter seem to be a solid benefit of flow with still having acceptable filtering capability.

I had a Fram, low expectations here, air filter on the Silverado that tested better than the abet old dirty AC Delco filter.  I didn't expect the Fram to test well.  Nor would Fram be my first brand of choice, but it did alright.  The Fram doesn't provide any measurable flow difference over an OEM unit.

SCT has a considerable footprint in the Ford aftermarket programming and a good variety of SCT dealers.  I've got a lower end SCT programmer, the 3015.  Purchased originally through 5 Star with custom tunes.  Tried to strike up a conversation with Mike at 5 Star about the shifting characteristics, he couldn't have been more disinterested.  Then jumped to MPT for tunes.  Really pleased with their patience, ability to listen, and attempting to deliver tunes that satisfy customer expectations. The out of the box SCT tunes are pretty good as well, slight power increase, better driveability, and 1 MPG benefit in mileage. Some people claim to see 2 MPG or more they claim.
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pup

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Join date : 2013-02-28
Age : 49
Location : Allen TX

PostSubject: Re: Aftermarket   May 13th 2014, 2:02 pm



2011 F150 snorkel to replace the one in your 2012 Expo. They say it snaps right in.

Do you still have the same cell number? I can text you over Jason Smith's number to talk with him on it. He still works at the Ford Dealer.
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theshyguy



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PostSubject: Re: Aftermarket   May 13th 2014, 7:02 pm

Same number. That snorkel help much?
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toyboxrv



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Join date : 2013-03-02

PostSubject: Re: Aftermarket   May 13th 2014, 10:50 pm

I put a Gibson Exhaust on my 07 5.4 with a Banks Ram Air and Edge programmer. Good power increase from 2500 - 4500 running on level 2, tow/haul mode. I saw zero increase in FE. Even with the Gibson there is a restriction where the two pipes from the engine come together. Could probably gain a small amount more having an exhaust shop fix that. I commute 90% highway and get 17 lately since winter fuel is gone. Saw snow today, so winter isn't gone just the fuel.
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