what is the differance in the original AirAid CAI for the 6.7 part # 300-209 and the MXP part #300-221? if there is a differance will the guys with the original intake be able to upgrade?
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2007 6.7 M/C 4X2 Brilliant Black. Eagle 197 18x10 nitto terra grappler. xrt (set on 120 tune) dpf&egr MIA, airaid cai, afe intercooler tube upgrade, 5" tbe