Great info guys. I'll hit up the muffler shop in the spring to have the resonator removed. Naturally, I store my girl when the weather gets cold out.
Anyone have a link for that K&N intake? Didn't see anything at Summit. I put a K&N in the stock location, but I know that an intake kit would add power and throttle tone.
Dynomax makes a kit for 2005's. Will that fit mine? Should I wait around for a Flowmaster kit? Perhaps I should wait to ask that until I see how much I like the sound w/o the resonator...
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2007 Grand Prix GXP Black, cashmere leather, sunroof, EBC redstuff brakepads, K&N