Originally Posted by idol4232003
i'm thinking of using k&n air filter on my 97 GS, but want everyone's opinion on it. everyone i've talked to says it made their cars feel more powerful and get better gas mleage. for those who use it, do u keep the filter open or inside the stock air filter casing?
k&n is one of the best air filters. the apex'i filters are better, but are probably harder to find, and arent
that much better. its also alright to leave the airbox off, and just run it short ram. however, you may want to put the box on if its seriously raining hard outside.