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03' K&N F-150

Jul 2, 2006 08:20 PM

What's the difference?

what's the difference between the AF1 intake and the K&N 77 series intake for 97 and up f-150's?

5.4ever

Jul 3, 2006 03:17 AM

There are many. K&N has been around very long and pretty much sets the bar for quality air intakes. They back up their product pretty good. The 77 is a polished chrome aluminum pipe with a 6 inch filter at the end. The AF1 is a polished stainless steel pipe with a 3 inch filter. I like the looks of the K&N. Either one will yield about the same gains, but I trust K&N more. Someone will come along soon to chime in their opinion. Just my 2 cents

harborbreeze

Jul 3, 2006 08:27 AM

Take A look at the brute force intakes. No need to oil the filter..

jpdadeo

Jul 3, 2006 09:15 AM

I like the AF1 for my 04 *big noticable power gain

https://www.f150online.com/galleries...691-123089.jpg

beowulf

Jul 3, 2006 09:28 AM

The Air Force 1 is the recommended CAI from Troyer Performance and they haven't let me down thus far. Click below for the gallery with pics of my AF1.

Good luck whatever you choose though! :thumbsup:

NCSU_05_FX4

Jul 3, 2006 10:20 AM

How long did it take you guys in install your AF1s?

Fanuc

Jul 3, 2006 10:24 AM

About 45 min to install the AF1

jpdadeo

Jul 3, 2006 10:25 AM

took me about an hour

03' K&N F-150

Jul 3, 2006 02:08 PM

it took me about two hours to install my 77 series. gotta do it right though:thumbsup:

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