'67-'68 GT Rear Valance Quality

I would like to replace my non-GT valance with a GT valance w/the exhaust cutouts. I've heard that the repops that most of the vendors sell are total CRAP!!!:nonono: I've heard that NPD is supposed to have new & improved better fitting repops. Has anyone tried them and are they worth a darn?:nice: :notnice:

Thanks,
 
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