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I'm kind of biased towards CrossFit. I know a guy who is at least a level II instructor and honestly, I'll take his word on almost anything, even if he has no good reason to.
P90x is solid though.
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2006 JB 330i/ZPP/ZSP/I-Drive/Heated Seats/L7/Blacklines/19" Gunmetal V710's on Vredestein Ultrac Sessantas/BMS PBX/Red MFD Scoops/Matte black grilles/Matte black Amber Gone 2.0s/BSW center midrange speaker/35% tint/Black and white roundels
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