K&N AIR FILTERS-What results have you had?
#1
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K&N AIR FILTERS-What results have you had?
If you installed a K&N air filter in your your C250 what improvements did you get or not get?
#2
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Join Date: Mar 2013
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1967 250SEL, 1982 380SL, 2000 ML320, 2005 SL500, 2018 GLE350
Stupid, related question: does installing an aftermarket air filter void the warranty? I'm leasing my 250 and I don't want to get hassled when I bring it in for service.