Thanks for the advice, Jeff! I actually got everything squared away (after several hours of wrestling with the DP) and the O2 sensors not touching and the connection to the mid pipe lined up fine. It wasn't easy and I hope to never do it again anytime soon!
2008 E90 TiAg w/ Sport Package
JB4 G5/BMS OCC/BMS DCI/RL DPs/CP-E + Tial/VRSF 7" FMIC