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      12-02-2012, 02:56 PM   #133
Brigadier General
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Drives: '08 135/ '11 1M
Join Date: Oct 2007
Location: at Death Valley 127

iTrader: (1)

Originally Posted by Zuzu View Post
When I had my 135, I ran the N55 mids with the Y pipe resonator delete with the stock DP's and OEM rear muffler.
Believe me, it was LOUD.
I had OEM DPs and straight mids on my 135 with a borla rear and it was LOUD!!!

Now on the M I have OEM DPS mated to N55 mids (with a resonator delete via the Y pipe) and an Akra rear without the valve so its 100% open (muffler bypass) 100% of the time and I dont think its as loud as my 135 was.