mfield2a Posted April 19, 2019 Report Share Posted April 19, 2019 Looking at pics on line I see both blue and red air filters on the 08-09 KR’s. Is this a customer change, a random selection during the builds or a date code change moving from one or the other? My ‘08 has red. Quote Link to comment Share on other sites More sharing options...
sheppd01 Posted April 21, 2019 Report Share Posted April 21, 2019 It came with blue and I believe a replacement can still be bought from Shelby. Quote Link to comment Share on other sites More sharing options...
mfield2a Posted April 21, 2019 Author Report Share Posted April 21, 2019 (edited) Thanks shepp. I thought the same thing, but I’m seeing a lot of red filters on the KR’s. Here is a wrapper 2009 with 33 miles: https://www.hemmings.com/classifieds/cars-for-sale/shelby/gt500kr/2248983.html#&gid=1&pid=6 and a 08 with 2,850 miles: https://www.hemmings.com/classifieds/cars-for-sale/shelby/gt500kr/1950712.html#&gid=1&pid=7 I have found at least a dozen others with the same red filter. Seems very unlikely that these did not leave Shelby this way. Edited April 21, 2019 by mfield2a Quote Link to comment Share on other sites More sharing options...
Harold Jones Posted April 21, 2019 Report Share Posted April 21, 2019 (edited) Are we sure the "red" isn't just the filter oil color, similar to what is found in a K&N filter recharge kit? When I bought my '09 a few months ago, the filter was very dry and had probably never been serviced. Ten years and 2,800 miles later the filter looked white-ish. I purchased a BBK "blue" cleaner/oil recharge kit P/N 1100 and it is good as new again. Sorry that I did not capture a "before" picture, but here it is now. Edited April 21, 2019 by Harold Jones Typo Quote Link to comment Share on other sites More sharing options...
mfield2a Posted April 21, 2019 Author Report Share Posted April 21, 2019 1 hour ago, Harold Jones said: Are we sure the "red" isn't just the filter oil color, similar to what is found in a K&N filter recharge kit? When I bought my '09 a few months ago, the filter was very dry and had probably never been serviced. Ten years and 2,800 miles later the filter looked white-ish. I purchased a BBK "blue" cleaner/oil recharge kit P/N 1100 and it is good as new again. Sorry that I did not capture a "before" picture, but here it is now. Yes, I’m sure it is the oil. 30 years from now MCA guys will be debating what color is correct. I like the blue and I need to refresh mine, the BBK looks great. Thanks for posting the pics! Quote Link to comment Share on other sites More sharing options...
sheppd01 Posted April 21, 2019 Report Share Posted April 21, 2019 They most definitely without a doubt came with blue filters. Over time and even without driving they will turn gray. I guess it is possible if they are stored in a red dirt part of the country the gray could be replaced with red dust. Quote Link to comment Share on other sites More sharing options...
SAI-Steven Posted April 22, 2019 Report Share Posted April 22, 2019 Yup they had a blue tinge color when new that in no time at all turns gray, even if the car isn't driven. If the filter has a red color it has been re-oiled with red oil or the filter has some dirt that is giving the appearance of red oil. But more importantly is the amount of oil applied to the filter, less is more. The majority of time people over saturate the filter with oil. Steven Quote Link to comment Share on other sites More sharing options...
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