An update. New Magnaflow cat and corksport 2.5" catback installed. Passed emissions this time. Its not too loud, manageable for me. Is better than the rusted out mufflers were, and feels much better up top. Also, i switched to premixing, half to one, with the stock OMP in place just for good measure.
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2004 Mazda6 V6 5-spd - still waiting on money for a motor
1991 Mazda RX7 NA 5-spd - my new DD with 145,000 miles
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