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Old 07-15-2009, 01:26 PM   #4
jmatta
Registered User
 
Join Date: Nov 2007
Location: Chicago suburbs
Posts: 1,675
I have a modified factory muffler (ala Pedro type) and Fabspeed secondary bypass pipes. My car screams under accelation without any drone or resonance whilst cruising.
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2002 Boxster S
1973 911 Green FrankenMeanie
PCA DE Instructor circa '95
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