Stock air filter vs. K&N filter - Ford Powerstroke Diesel Forum
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Old 08-02-2008, 04:49 AM
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Stock air filter vs. K&N filter

Have 6.0 04 Excursion. Just changed exhaust from the down pipe back with 4" exhaust, flow through muffler and got rid of Kitty. Noticed immediatley 3 more mpg. Have a super chip on performannce mode. Was thinking of switching to SCT but wonder after spending money on super chip would be worth spending another $450? Happy with super chip and shifts smoothly.
Removed stock air cleaner and installed K&N air filter. Was told to remove K&N filter and replace stock one. Then remove grille and cut out hole for air filter to get more fresh air. Then replace grill. I was told that these exposed cold air filters with the insulating blanket between filter and hot engine still defeats the purpose when you close the hood and hot air stays caputured under the hood. Makes sense to replace stock filter box and cut hole for air to come through to filter box. Has anyone done this.
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Old 08-02-2008, 04:52 AM
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Alot of people have its called the zoodad mod. There is no real need to replace the stock intake on the 6.0 It flows as good as most aftermarket intakes available.

The zoodad is well worth it
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Old 08-02-2008, 04:54 AM
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Heres a thread on how to do it. zoodad mod
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Old 08-02-2008, 05:02 AM
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Quote:
Originally Posted by mustangkcode View Post
Have 6.0 04 Excursion. Just changed exhaust from the down pipe back with 4" exhaust, flow through muffler and got rid of Kitty. Noticed immediatley 3 more mpg. Have a super chip on performannce mode. Was thinking of switching to SCT but wonder after spending money on super chip would be worth spending another $450? Happy with super chip and shifts smoothly.
Removed stock air cleaner and installed K&N air filter. Was told to remove K&N filter and replace stock one. Then remove grille and cut out hole for air filter to get more fresh air. Then replace grill. I was told that these exposed cold air filters with the insulating blanket between filter and hot engine still defeats the purpose when you close the hood and hot air stays caputured under the hood. Makes sense to replace stock filter box and cut hole for air to come through to filter box. Has anyone done this.
You will get more air flow with the K&N set up especially with the Zoodad (hole in rad. support).
I will get slammed on this comment but here goes, the K&N CAI and filter is not bad. The one to be concerned with are the "drop in" replacement filters. As it will allow dirt and dust to pass around the gasket.
I use the Airaid brand and have modified it with a plexiglass cover on the box under the hood and did the Zoodad mod. works great.
Now with all that said, your stock box is good enough except for the ease of changing the filter and cost of the filter.
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Old 08-02-2008, 05:35 AM
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i have a superchip on my 99 and with zoodad and diy intake it all totals to be about 17 mpg.
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Old 09-08-2008, 10:59 AM
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Originally Posted by choctaw View Post
You will get more air flow with the K&N set up especially with the Zoodad (hole in rad. support).
I will get slammed on this comment but here goes, the K&N CAI and filter is not bad. The one to be concerned with are the "drop in" replacement filters. As it will allow dirt and dust to pass around the gasket.
I use the Airaid brand and have modified it with a plexiglass cover on the box under the hood and did the Zoodad mod. works great.
Now with all that said, your stock box is good enough except for the ease of changing the filter and cost of the filter.
The S&B "drop in filters" seal to the gasket, just like the stock filter. Only the S&B filter flows better. Lot cheaper than buying a complete intake.
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Old 09-25-2008, 10:52 PM
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where can i get a s&b drop in replacement filter?
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Old 09-25-2008, 11:13 PM
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call up xtreme diesel. ext. 203 Jeff..tell him that I told you to call him. he will give you the best price on a filter shipped to your door. they are a sponsor on the forum as well. he will match or beat any price you can find online.

Xtreme Diesel Performance - XDP Diesel Performance Parts
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Old 09-27-2008, 09:18 PM
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K&N

i have a K&N intake system and the Zoodad mod works great i have had no problems...I check the filter and take off the intake tube to check the turbo for dust or dirt and have not seen any at all... Only thing that sucks ..dealer will not warranty truck with aftermarket intake... but pretty simple swap....
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Old 09-30-2008, 08:31 PM
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will this work for my 7.3 02 X ??? thanks snowman
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