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2001 C4 K&N air box upgrade


Vehicle Information: Model: C4; Year: 2001; Body Type: Coupe; Total Mileage: 40000;

I was reading through the install instructions for a K&N 63 series Aircharger and there was a notation that the filter should not be used in extreme weather conditions, e.g., winter driving. I use my car year round (with snow tires, it goes through just about anything.) Do I need to swap filters with the change of seasons? What is the risk if I keep it on? Would the K&N 57 series be a better alternative, or does this one have the same issues?

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