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Hey guys, time for a new filter. I have heard nothing good about using K&N so any other tips? I am in Canada it's for my 540/6
 

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Mann is OE. K&N lets in more air, but the OE Mann seems to be better at particulate filtration. The design of our cars are not starved for air(unless you have a aftermarket turbo/supercharger). Either filter will be fine, and you wont notice a difference. Just stay away from anything that you have to oil. It does more harm than good.
 
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