I have found a set of original fiberglass GTS / GT5S front and rear bumpers which came original on my 79 GTS to replace the american bumpers added in 85 the originals are superior to any of the aftermarket stuff I have seen.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.