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AEM Cold Air Intake System Part #21-452C Customer Reviews
3 Customer Reviews
Reviewed by Kevin B (Rio Dell, CA) Reviewed for a 2005 Ford Focus — Jul 11, 2013 6:16 PM
Very noticeable power gain and I gained 3 to 5 mpg, when I can keep my foot out of it. It is well worth the investment. It really wakes up the 2.0 PZEV motor. The customer service is the greatest, I had to contact them and they handled my problem very quickly and got me the right parts the first time. I can say they know what they are doing.
Reviewed by Alan H (Dearborn, MI) Reviewed for a 2005 Ford Focus — Nov 19, 2011 8:46 PM
Bought this cold air kit for my 05 Focus, because it has the 100,000 mile factory air filter on it. Instructions were not that easy to follow, as you are better just taking the old system off and try to instal the new one with what you have and look at the space to use. It did fit pretty good, and was easy to install with hand tools. It did improove my milage by about 2 MPG. I sure hope that water does not get into the wheel well, where the filter resides, or the engine will injest the water. There is no water shield on this install, otherwise I am pleased with it.
Reviewed by joseph c (Tinley Park, IL) Reviewed for a 2005 Ford Focus — Apr 29, 2011 8:23 PM
Everything with the kit was perfect except for the nipple the breather hose connects to was too large. Called aem, I had the right kit, they said they'd get back to me with an answer but that was a week ago, still no word from them. Noticed better throttle and increase mpg. However breather hose is rigged on for now...
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