One of my goals in this 4105 project was to use as many of the 2 parts car parts on the 41 Cadillac without buying new parts. I have most of the exhaust systems from the 05 & 07 along with some other left over parts from other projects, including 2 mufflers, to use for this system. The 05 exhaust (below) was removed as a complete assembly.  There two of all the 2" exhaust parts except the tail pipes and mufflers.  The 05 pipes were held in place as a complete assembly to see where the 41 frame would interfere with it, cut apart for 3 pieces - head pipes, resonator & 2 rear pipes. The head pipes were bolted to the catalytic converters and I chose to use the 05 that has heat shields one both at the transmission the 07 only had one.  The resonator / collector would not fit in the stock location and had to be moved back behind the X member of the 41 frame.  I wanted to keep it away from the U-joint and sinter carrier bearing and was moved to where t...