BMW 3-Series (E90 E92) Forum - View Single Post - |VRSF| 3" Cast Catless Downpipes! N54/N55 RWD & XI! Best priced/highest quality DP's!

Tiago@VRSF · 09-21-2012, 02:23 PM

The ceramic pipes are only coated on the outside. Anyone who claims they coat the inside only coat whatever is visible since the coatings are not dipped, but sprayed. It's impossible to spray the full length of the interior.

09-21-2012, 02:23 PM	#225
Tiago@VRSF 2095 Rep 43,350 Posts Drives: F90 M5 Join Date: Dec 2007 Location: Doral, FL iTrader: (99) Garage List 2014 F30 328xi [0.00] 2015 F82 BMW M4 [0.00] 2013 Ducati 1199 Pa ... [0.00] 2008 BMW 335i [0.00]	The ceramic pipes are only coated on the outside. Anyone who claims they coat the inside only coat whatever is visible since the coatings are not dipped, but sprayed. It's impossible to spray the full length of the interior.
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