Clit,
This is my biggest fear. I own a highly modded Abarth and just bought a 17 ST. I noticed some of the stuff you mentioned on the test drive, but I had to keep reminding myself the ST is my Daily and needs to stay that way. I must do exhaust tho, pretty sure it'll get a handful of other mods aswell. Thanks for this thread, it has given me alot of useful info.