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      11-14-2016, 07:33 AM   #9
MMMCOOKIES55
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Drives: '17 M3 ZCP/ '16 ATS-V
Join Date: Oct 2009
Location: Apex, NC

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Quote:
Originally Posted by tifosielia View Post
Did you take the downpipe out through the top or bottom?

Any change in spool or just power?
Spool is greatly increased. These cars really benefit from a freer flowing exhaust. Its pretty immediate how much quicker it spools. You can finally hear the turbo now when accelerating. it sounds like the ol' N54 did now .

I will post a video when I can, I have a one year old that takes up most of my time
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