Thread: DIY Exhaust Mod – Gain of 10+ HP!!!
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Old 10-07-2010, 04:38 AM   #111
Boxtaboy
07 Carrera S Cab
 
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Join Date: Nov 2005
Location: New Jersey
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FWIW, someone did this to their 02S at a local Boxster work on cars day (drilled 2 holes with a long drill bit), and afterwards, I could hear no difference. You sure it's not all in your mind?
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