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      02-28-2012, 05:49 PM   #25
Drives: White 1M
Join Date: Apr 2006
Location: Country where the taxes are too high!!

Posts: 910
iTrader: (0)

I changed one of my 1M today with the N55 mid pipe.

It s a well worth investment.

Throttle response is better. When you are off and on the throttle the pickup is little faster. Also you can feel it revs more free in higher rpm. If it has more hp or NM i can t feel.
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