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drdingo21 · 03-13-2003, 09:54 PM

actually it doesn't have to be thermal, just as long as the muffler is kinda quite until i get into the higher rpms...

03-13-2003, 09:54 PM	#3
drdingo21 Registered User Join Date: Aug 2002 Location: Elkhart, IN Age: 42 Posts: 1,642	actually it doesn't have to be thermal, just as long as the muffler is kinda quite until i get into the higher rpms...