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      02-03-2013, 03:46 PM   #27
Warehouser
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Drives: 22 X5M TBlue2
Join Date: Nov 2012
Location: SE Texas

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Quote:
Originally Posted by ColdList View Post
Well now I would hesitate on doing that if I were you until a few confirmations can be made. I spoke to a performance guy at Caffeine & Octane today that said that keeping them open slows the turbo spool up. Ugh! My guy is a guru too so I am not sure who to believe. I will find out more and post info.
Aren't most aftermarket exhausts free flowing anyway? Hartage has an axle back that is nothing but piping w/tips and no muffler.

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