^ You'll be happy with your goals and expectations.
To tell the truth, even if you gained nothing as far as numbers go, you'd still pull off quicker ET's due to being in the peak power more shift after shift. It's been proven many times.
As for the TB...I think it's a great mod. You can relate it to headers, really. The bang for buck isn't all that great compared to other mods, but as a supporting mod, they work great.
Just make sure to keep us posted when you get it all sorted out.
2013 Mustang GT - 402A GT/CS - 6R80 - Glass Roof - Engine Block Heater - SGM Exterior - CB/Miko Interior
Steeda Adjustable PHB (Street) and Steeda PH Brace, Stainless Works Retro Catback Exhaust...