- May 6, 2004
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What is the best CAI/Throttle Body/ Plenum combo for a N/A 2003 GT. I am probably going to keep it N/A so is it better to run a 70 or 77 mm Throttle Body? If I change my mind and decide to add a blower, what should I do so I am not buying parts twice? Any help is appreciated. 

