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      09-30-2017, 09:29 AM   #8
Calvin36
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Drives: F30 335i M Sport
Join Date: May 2017
Location: San Francisco

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Quote:
Originally Posted by KC328_F30 View Post
Quote:
Originally Posted by Antec800 View Post
Downpipe will deff give you more turbo spool sound if anything plus the power gains are well worth it
What kind of power gain should you expect and how?s the warranty impacted?
Typically most service advisors/dealerships won't like anything modified.
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