I spent about $600 for parts including AA track pipe, magnaflow cat, muffler, and SS tubing -- Single 2.5" from AA trackpipe (just the downpipe part).  Welding was free, done by me
							
						
					Custom exhaust cost?
				
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 I have a Stromung on my S52. I had a UUC System U before that, which had the most irritating drone ever. Had to pull it off after only 100 miles, I don't know how people tolerate them.
 
 One word of caution is that it barely fits. Trying to get it tucked into the opening in my M-tech II kit I had to notch one of the rails on the trunk.
 
 The Stromung is a nice exhaust for the engine, but I wouldn't call it quiet by any means. My downpipes are OBD-1 with a custom Y pipe instead of the restricted merge - so maybe that adds to it a bit. 
 1987 325i Cabrio - SOLD
 2014 Chevy Volt
 2007 FJ CruiserComment


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