Alright..
I am updating the OP with this information as well, so bare with me
They have CF Doors, Hatches, GTR Style Hood, TS Hood, OE Hood, CF Fenders, CF Wing, CF Side Skirts, CF Front Lip, CF Rear Lip, Engine Covers, and even more products, all available.
ECS Motorsports is now taking orders on ALL Seibon 370Z products.
At this time, I do not have more information in a GTR bumper, sorry guys.
Pricing will be updated later today, need to confirm all my pricing
Let me know if anyone else has any questions, or to place any orders. We have sick deals on Seibon items, we cannot be beat!
-AJ
ECS Motorsports