Headers need retune?

[eagle1highlander]

Have 2008 F-150 FX4 with 5.4.Had you guys upgrade my edge to gryphon with pegasis program.Want to add headers to truck.Do I need to have programer retuned?

eagle1highlander

[88Racing]

Here's a recent thread on this subject;

Does adding headers mean more custom tunes? - F150online Forums (http://www.f150online.com/forums/chips-tuners-programming/416931-does-adding-headers-mean-more-custom-tunes.html)

[eagle1highlander]

Thx !