2004.5, 4x4, ATS built 48RE, 194kmiles, BBI Stage 0.5 w/8-hole nozzles, Original owner.
I have exhaust manifold leaks on Cyls 1 & 6 and decided to replace it. While doing so I also removed and inspected/disassembled my stock Holset HE351CW turbo. Turns out the exhaust manifold was not cracked...