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who makes the HIGHEST FLOWING muffler for a 3" SI/SO application?? Sound not being an issue, just curious as to everyone's thoughts?? 
you've been lurking again Dave, havent youdline said:dynomax
no muffler at allfastgraphite04 said:who makes the HIGHEST FLOWING muffler for a 3" SI/SO application?? Sound not being an issue, just curious as to everyone's thoughts??![]()
i think thats a bit of an understatement..hemifever said:My STS muffler is outflowing every other manufacturer.....
:thatfunnyhemifever said:My STS muffler is outflowing every other manufacturer.....
05whitehemi said:At30/30