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aFe Pro-Guard 7 Air Filters Part #73-80202 Customer Reviews
3 Customer Reviews
Reviewed by Bruce M (Alexandria, VA) Reviewed for a 2011 Jeep Grand Cherokee — Aug 28, 2011 4:36 AM
This filter is as advertised. The design for the 2011 F-250 6.7L Scorpion engine was accurate to OEM air box. No noticeable difference in acceleration under normal light city use conditions. Anticipate appreciable improvement in highway mileage if consistent with other like filters used in the past in other vehicles. Slight increase in turbo whistling with no increase in annoying diesel sound. Unfortunately, I was unable to find appropriate proper size for my new 2011 Jeep GC Outland Summit 5.7 Hemi, so I had to go with a competitor brand that I've used in the past in my BMW M3s and GMC Denali. Users are also recommended to clean their Mass Air Flow (MAF) sensor with appropriate product for peak performance when using these type of filters. Especially after heavy off road use conditions or after a new air filter with oil medium filtration is installed or freshly cleaned and oiled. Postpone cleaning the MAF for a reasonable amount of time after installation of a new or freshly oiled filter until the fresh oil has had the opportunity to settle and saturate through the air intake system. The dirt and/or oil may impede accurate air density readings for the vehicle engine control unit. A clean MAF sensor will wake your vehicle up and improve efficiency with your new/clean filter.
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