Re: 19.8mpg after HC removed!
Just wonder after removing the carbon filter, do I have to replace the original (OEM) filter with K&N or some kind of performance want? BTW, what is LOL, dyno, and HC?????? I've seen a lot on here but don't really know what exactly they are.....I know LOL === Laugh out Loud, but I don't think it apply on this thread, right?
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