Originally Posted by ES894x4
not to be a negative nancy since this isnt what you asked but, you wont gain anything by increasing the tb size, and may end up hurting lower end if its drastically larger. the only time a stock tb is to small is when your gettin boost and trying to flow some real air.
+1 A larger TB won't flow any more air, it will only decrease the air velocity, which will hurt you. The OEM setup is tuned for the highest efficiency.