tti install on 67 a body barracuda

Installing a set of tti headers on my 67 a body 4 speed.......do i need to replace the z bar to do this install?

According to the TTI site, you might have to replace the z-bar with a modified piece if you're using a set of their full length headers. Assuming you're running a small block...

[ame]http://www.ttiexhaust.com/PDF/FN55-SHT340ZB.pdf[/ame]