2011 CTS-V lean after id850 install

[obd2]

My past set-up I had 9.55 pulley running on a diablo trinity tune, the 2011 V ran great.
Last week I decided to add American Racing headers and ID850, Minor changes in my mind. I added the information listed on the ID850 web site via HP tuners and validated the modified tables with Injectors dynamic just to make sure I did not miss anything. All looks good.
With the header installed and ID850 (only changes made over the 9.55) I decided to check the tune via NGK Wideband up stream connect to HP tuners. I was surprised to see how lean the engine ran at WOT. I logged 12.7 ARF (scary). My PE table was set to give 11.5 but 12.7 is the most I got. I updated the PE Table to 10.1 and now the v run 11.5. I realize I did a patched tune and need to remap my MAF. For the time being the car is safe at WOT and the car idle great getting 14.7 driving normal.
Has anyone else experienced this a lean condition when installing ID850, any tips

[DSteck]

Your MAF is off. Simple as that.

[obd2]

do i also need to update the ve table?

[DSteck]

do i also need to update the ve table?

Yes.

[Mike@G-Force]

Dsteck is correct.

I spent a ton of time on a V with "other" Injectors. Had the MAf dialed in Perfect. Installed ID850's and the correct data. The car was within 3%!!!!