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Old 01-23-2013, 07:06 PM   #10
58mm of Bliss
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Join Date: Jul 2003
Location: PEI,Canada
Posts: 4,369
My Ride: 330i, 330Ci
Originally Posted by ac_2007 View Post
Just wondering, wasn't that catback supposedly optimized for power around 210hp?

I remember reading something about it a while back (Rob43?)
What do 2 X 2.5" exhaust pipes flow? The TT kits re-use the OEM exhaust and see well over 300rwhp....I imagine the Magnaflow to be a bit better....
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