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stock exhaust with test pipes
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10-21-2010, 06:05 PM
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PR370z
Base Member
Join Date: Jun 2010
Location: Puerto Rico
Posts: 108
Drives: 2008 BMW E60 M5
Rep Power:
15
stock exhaust with test pipes
Has anyones installed this setup? How much of a sound and HP increase will I get? A audio clip would be great. Thanks
PR370z
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