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      01-06-2012, 09:45 PM   #54
Second Lieutenant

Drives: 1M
Join Date: Jul 2009
Location: NJ

Posts: 277
iTrader: (0)

What's interesting is that HP Autowerks also saw a 15ish who gain on their 1M when they switched out the midpipes and Borla catback muffler. I wonder if the N54 midpipes are as restrictive as everyone thinks.
2011 Valencia Orange 1M - Weekend Warrior
2013 Acura RDX - Daily