Thread: exhaust upgrade/mods for my 1999 323is need advice???
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  #13 (permalink)  
Old 05-17-2008, 05:23 AM
pauliefireballz pauliefireballz is offline
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Join Date: Dec 2007
Location: new york
Rides:1998 323is
Region: USA - North East
Posts: 24
pauliefireballz is a New Registered Member
put m3/328 cats on and definatly switch too dual pipes.....huge difference in power
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