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quads14589
07-23-2006, 04:40 PM
hello how many DB's is a full pro circiut t-4? compared to other pipes how is it?
rmz250
07-23-2006, 05:00 PM
I know its over the 96 db limit but there is a quiet core insert.
ZBlaster
07-23-2006, 06:19 PM
my buddies is slightly quieter then my HMF at an idle, and a good bit quieter when your hammered down... its about even with my other buddies white bros e series...