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      04-28-2012, 10:34 AM   #95
Papethova
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

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Quote:
Originally Posted by LotusBoy View Post
I swapped to N55 mid-pipe last week. Frankly, there is not much of a difference
+1 I cant notice a difference really. Not in sound, not in performance, not in drone. Still way too quiet for me but my 135 had straight pipes with a Borla axleback.