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gmtech
06-06-2007, 03:42 PM
whats the difference between 40 series and super 40s?...trying to decide...will be going on stock exhaust..any input would be appreciated:o

Raudermaster
06-06-2007, 04:21 PM
The Super 40's is basically the same except they claim it has "Super Flow 2." I think it's just a revised version of the regular 40.