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So basically what you are saying is that I can just buy spare K&N filters for the Gruppe M Ram Air System and just change them every 5000 miles or so?
I also wanted to ask about the high flow cats. I've been searching around the web and the ones that popped up most often were some Magnaflow universal ones. I am not sure whether they are any good. Any suggestions and some info on the Magnaflow ones will be much appreciated.
Spark plugs are another area that I am thinking about. Is there anything better than the stock ones that I could put on, and if there is, what are the advantages?
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