It can happen. I've been using the K&N filters for years and as long as you don't over oil it you shouldn't have a problem. But on my 2000SS, the previous owner may have over oiled it because I could see the discoloration on the MAF wires so I cleaned it up with the spray just in case. I haven't had any problems.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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