Thread: BMW PE
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      02-14-2015, 05:36 AM   #10
Cavpilot2k
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Quote:
Originally Posted by Gregoriovv View Post
Opinions on installing the Maddad mids to the PPK axle back? Would it wake it up even more? Sorry if I just thread jacked!
Recognizing that you meant PE, I'm not sure different mids would really do much. The standard installation of the PE includes the mid-pipe (Y-Pipe) that deletes the resonator in the N55 and the secondary cat in the N54. So all you would be doing is replacing one catless, non-resonated midpipe with another. Maybe a slightly larger dianeter or different pipe geometry would have a small effect, but I just don't see it.

That said, there are some people out there who didn't install the full no-cat, no-res Y-Pipe with their PE (not sure why you would, but to each his own). They would probably gain some benefit from the Maddads.
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