if you actually spend good money on a flow tested full intake setup, and a fully tuned exhaust, you will definitely get big gains like that. problem is that it won't be cheap k&n and some fart exhaust won't do much but annoy everyone around you lol...
Quote from: jtanguayif you actually spend good money on a flow tested full intake setup, and a fully tuned exhaust, you will definitely get big gains like that. problem is that it won't be cheap k&n and some fart exhaust won't do much but annoy everyone around you lol...ain't that the truth, i put a cone filter on my car and all it did was make it really loud