Paco,
to answer your question the latest version of my mods can be found at post #1 of this thread.
for All,
I have done a compatibility check of the exhaust mods with GWX 2.0. All the current versions of the exhaust mods at post #1 of this thread are GWX 2.0 compatible. Please read the note at the bottom of the exhaust mods section for explanation of GWX 2.0 compatible by me