I got a Southbend single disc OFE 13" setup behind my 07 6.7 and it works great. Mine has EGR/CAT/DPF deleted running an H&S programmer on the 175 HP setting. Towing or normal driveing it has never given me an issue. As previously mentioned, call Peter and he will make it right.

392 gen III hemi on E-85 727 trans Dana 60
10.02@134