From reading up on it, the potential benefit isn't worth it when compared to the risks. There are a lot of threads and opinions if you look, some say it is ok if you are going to get it tuned, some say it's ok for M6's... My tuner said it is not worth the money or trouble, so I'll stick with the TB only.
2001 WU6 Formula Hardtop | 1999 2-Door Tahoe
"So the guy's trying to tell me his Z28 is the same car as my Trans Am except for the decals... How can people be so ignorant?" -That 70's Show