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headers or magnaflow

  1. msds headers/magnaflow cat back 2.5l sound videos?

    2010-2013 Mazda 3 Engine and Performance
    So ive been searching and checking out different exhaust videos for an idea of what exhaust I want to order. Ive pretty much found every OTHER exhaust combination. I found a magnaflow catback/msdsheader vid but it was a poor one, guy maybe peddled to 2000 rpm a few times and that was it) and...
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