Mercedes SL500 (R230) AMG exhaust system and MSD

Hello friends, I am well aware that there has been extensive discussion here in the forum, but I did not come to a clear conclusion for me, as there are different entries available. Would like to install the AMG exhaust system in Annex 1 at an SL500 (R230) year 2002. 1) This is the human 55 AMG exhaust rod or am I wrong? 2) Does someone happen to have a sound file, since I could not find anything suitable in the well-known forums. 3) Does the Fa exist? the possibility to replace the MSD with 2 V2A raw, in order to give the sound a little more spice? If yes, where are the MSD exactly, is this directly the two parts after the rear silencer or the part further forward?? 4) Does anyone have experience with FOX rear silencers??? The 65 AMG system now seems to be a rarity, the parts are not related anywhere. Thanks and greetings.