6637 conversion on excursion with picts and question
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
If you don't like the noise, put the AIS back. If you don't mind it leave the 6637 in. It does flow a bit more than the AIS, and it's noisier. Plus, 6637s are less than half the price of the AIS filters. It's up to you. I'd sell it. LOL
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,116
Likes: 294
From: Orange, Vermont
I thought it looked pretty good for a stock air box set up, I know not stock but ford offered, but couldn't find a filter. I didn't take the filter element directly to the dealer because wify drives it every day. I guess I will put it back now that you guys have supplied me with the correct filter element part number, thanks guys. I wonder if K&N or similar make filters for this?
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
DO NOT put a K&N in there unless you want to be rebuilding an engine soon. It passes way too much dirt. And the 6637 filters perfectly well -- I have extremely low silicate numbers in my OA. Like I said, if you don't mind the noise, keep the 6637. Cheaper in the long run...
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
If you keep the AIS, just get the Powercore OEM filter from the dealer or maybe Ed can get you one cheaper. After 3 years and 20,000 miles my filter looks brand new (see pic) on the clean side, I have dumped some fine dirt out of the snorkel side but no restrictions whatsoever. And I do drive some dirt roads a lot in the summer going to my property in the mountains.
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,116
Likes: 294
From: Orange, Vermont
I just called my local dealer and ordered the filter, going through my dad's account still $75.42. Out of curiosity I asked the price on the kit fa-1759 and that was 231.98 through my dad's account. My wife doesn't like the chhhhh sound after letting off so back in it goes. Thats ok because I can change the 6637 on mine with the newer I take off.
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