P Projectnocturne New member Joined Jan 1, 2023 Messages 1 Reaction score 0 Points 1 Location New York Jan 1, 2023 #1 Has anyone used the Thornton shortie headers on a 403?
Pontiac Trans Am Smokey Staff member Joined Dec 13, 2018 Messages 2,510 Reaction score 1,450 Points 113 Location United States Website www.pontiactransam.com Jan 2, 2023 #2 We have not, but we know a few people who have and seem to like them. Thank you, PTA Staff
