06 v-maxx Posted March 8, 2011 Report Share Posted March 8, 2011 has anyone used magnaflow muffler# 12590 ? im looking to replace the stocker for this one. will it drone bad? does it flow good Quote Link to comment Share on other sites More sharing options...
alex.t Posted March 9, 2011 Report Share Posted March 9, 2011 i may be wrong but if ur exhaust is like the ss your gonna want a di/ do in that case go with the muffler i have , absolutley love it zero drone , even after lt's no cats. 12568 Quote Link to comment Share on other sites More sharing options...
dls4523 Posted July 7, 2011 Report Share Posted July 7, 2011 i may be wrong but if ur exhaust is like the ss your gonna want a di/ do in that case go with the muffler i have , absolutley love it zero drone , even after lt's no cats. 12568 I see your sig now shows Borla XR1 mufflers... what made you change from the Magnaflow D/D setup? Quote Link to comment Share on other sites More sharing options...
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