i am not understanding your english.

do you want to hit a specific number, regardless of which class you are in or how well you do in that particular class?
OR

do you want to be competative in a specific class?

like Jordy said, with a car like that you probably would not do very well in any class, especially if the stereo stays in the trunk. might do OK if you build a wall but then you'd need to hit some seriouse numbers cuz a wall class is fairly loud.

what i think you need to do is come out to a few comps first, just to see what is being done and what kind of numbers are being produced. I think you need a better idea of how SPL is done before you finalize your decision and begin your build.

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