Hi, i currently have just an OBX tunable B3 bomb muffler on my 97 prelude with the sportshift, but i want my car to have a higher pitched sound coming out of it, not the deep throaty sound from the muffler i have, what do i need to do to get this, do i need an exhaust or just a new muffler and if so what kind of exhaust, i have heard tanabe are good and stillen and greddy?? ANyone's help would be greeatly appreciated. THanks.