ive used koni+eibach pros on my integra, no complaints. Its a comfortable ride and handles very well. even on the hardest setting it wasnt back breaking.
there are a few after market applications for the da9 but more than likely you would have to import them. i know JDP have a few but are $$... there used to be a thread on this somewhere with a fair...
im already to do my thermo change tomorrow but... where the air bleed bolt is suppose to be its not... is that normal for 99 vtir? would it be anywhere else?
you can use turps instead of degreaser but you have to be quick...i had one tiny part that wouldnt go white so i used turps and that worked, probably would advise to stick with degreaser though
so this is just a muffler right? if you dont want it too loud, you could save your money and get a catback exhaust done, looks like stock but the piping is larger and you can get them to put on a tip...