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      07-15-2010, 04:15 PM   #29
New Member
Drives: 2011 E90 335i
Join Date: Jul 2010
Location: 617/781

Posts: 15
iTrader: (1)

Just got back from removing my H-pipe and installed straight pipes on my n55 e90. Definitely gargles more you can tell the difference between 1500-2000 rpms. Higher rpms not so much.I'll try to get a video and pics of it tomorrow.
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