Difference in 63 intake Y pipe?
#1
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W211 E63
Difference in 63 intake Y pipe?
My 07 E63 has a smoth Y without the square shape box while later model 63s including C/W212 63 has the square shape box that sits on top. Anyone knows is it is actually a part of Y runner and what it is?
![](http://images7.ecarlist.com/photos/1850_482730/800/15.jpg)
![](http://images7.ecarlist.com/photos/1850_482730/800/15.jpg)
![](http://2.photos2.ebizautos.com/1769/5554752/5554752_34.jpg)
#3
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W211 E63