Companies try to maintain exclusive production contracts especially with off-shore suppliers this is hard if your logo is not on the part. Also I have heard that suppliers are getting reluctant to reproduce logos which carry large corporate trade marks, for example the 300zx or Z was on the old mats. You don't want the factory making more of a part and selling it around you, this has happened lots of times over the years prob. most famously with the AMS manifolds that started to show up on eBay direct from various sellers.
![](http://www.yugobernie.com/images/TTnet_Sigs/yugobernie_sig_b12m.jpg) Bernie Bilski berniebilski@cox.net President of Z-Car Club of Northern Virginia1995 Nissan 300ZX TwinTurbo in Cobalt Green 1997 Nissan 240SX SE in Ultra Red 2006 Nissan Frontier SE in Ultra Black
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