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- All Mazdas!
I just stare at a CEL lol....yes emissions are terrible and all but I still pollute less than the giant fords lol.....ironically I saw a prius the other day with a plate that said "less CO2"....me and 3 speed3's running catless just floored it past the guy and completely nullified all that ecosaving he was doing.
You could get a high flow catalyst welded in the pipe some where. When have found on the newer performance catalysts that the power difference with and with out is around 1 hp or so.
-Derrick