what size are the stock header on 2002 gt
 

what size are the stock header on 2002 gt...i saw that bbk and mac makes 1 and5/8 size tube. is it bigger than stock to improve exhaust flow. And what are the best headers ...i dont understang why mac are cheaper in price that bbk

RE: what size are the stock header on 2002 gt
 

Header cost is sometimes misleading.One thing that's a constant is the fact that you get what you pay for.
Here's a link to help explain the reason for getting headers.
http://www.bigcitythunder.com/pages/...ng_exhaust.pdf