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K&N 57 Series FIPK Air Intake (50-State Legal) Part #57-2575 Customer Reviews
56 Customer Reviews
Reviewed by Elias G (Santa Rosa, CA) Reviewed for a 2012 Lincoln Navigator — Nov 22, 2016 6:11 AM
Awesome! I felt the difference immediately! Great buy and sounds good as well. Not sure exactly on the increase of MPG, but I did not lose any MPG.
Reviewed by William A (CHESAPEAKE, VA) Reviewed for a 2010 Ford F-150 — Nov 10, 2016 2:16 AM
Chose this over the AirAid intake. Install took an hour. Instructions were easy though I referenced the YouTube video for the install. Took it for its first ride and felt the slight increase in throttle response, HP, and torque. Over time, I noticed highway mpg increased from 16-18 to 20-22 mpg at 60 mph (yeah I'm a slowpoke). City mpg increased to 16 mpg. I also hear a slight growl during acceleration and the cabin is quieter. Pretty big difference for my truck's first performance upgrade.
Reviewed by chris v (DES MOINES, IA) Reviewed for a 2012 Lincoln MKZ — May 10, 2016 5:25 AM
Perfect intake system for my 2012 Navigator. Noticeable sound and performance improvement over stock OEM air box even with K&N filter installed.
Reviewed by Dan K (WACO, TX) Reviewed for a 2011 Ford Expedition — Jan 04, 2016 9:47 PM
This was installed about 2 months and 5000 miles ago and it has performed admirably. I was most interested in efficiency and power increase and was rewarded with both. Acceleration is noticeably improved - 2011 Expedition weighs about 3 tons so it doesn't exactly jump but it does step right out! MPG is up by 1.5 in town and 3+ on the highway. Of note, I had also installed a MagnaFlow Performance muffler which added to the improvements - performance and sound - but the air intake was the key.
Reviewed by jim m (san jose, CA) Reviewed for a 2010 Ford F-150 — Nov 11, 2015 11:27 AM
Product installed in an hour. Allowed removal of huge , ugly stock air intake tubing. The truck has a low growl to it now when you step on the gas.
Reviewed by Duane M (RAYNHAM, MA) Reviewed for a 2009 Ford F-150 — Oct 15, 2015 5:11 AM
received unit in very good time installation was fairly straight forward I did have a mechanic help me was glad I did nowhere in the directions did I see about having to oil the filter and no oil in box with rest of system was glad I received clean and refresh kit as part of my purchase other then that was fine
Reviewed by John R (Carlisle, OH) Reviewed for a 2010 Ford F-150 — Sep 07, 2015 9:56 PM
Haven't noticed much in the mpg but makes a bloat better sound when I hit the gas. Might be the reason I haven't noticed the mpg savings
Reviewed by Tyler W (WESTFIELD, MA) Reviewed for a 2010 Ford F-150 — Jul 07, 2015 8:05 PM
I had previously owned a jeep and put a gibson cat back exhaust but that thing had such an annoying drone I was hesitant to put an exhaust on my truck. So I decided to go with a CAI. And im glad I did. This thing is hardly noticeable when cruising, but boy does she purr when you step on it. You can notice how much more the trucks jumps when you hit it. Ive been too excited punching it to notice a change in gas mileage but I would recommend it to anyone looking for an easy upgrade to your truck.
Reviewed by John C (CONIFER, CO) Reviewed for a 2010 Ford F-150 — Apr 09, 2015 5:31 AM
I already had installed a K&N drop in filter element along with Flow Master cat back exhaust and a Hypertech tune. So I was reluctant on needing to add the FIPK intake. Well I am so glad I did. It improved my lower end grunt and believe it or not also improved my shifting, holding it in a lower gear while towing up a hill which was always my complaint with the transmission. Motor sounds more alive also. I have not checked fuel economy but personally who cares!
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