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  1. 2010-2013 Mazda 3 Engine and Performance
    Sorry If I'm doing anything wrong with this post. :S Hi guys, I recently got a 2010 Mazda 3s and I was wondering if there was a way for your car to use a catback but also have it so with a flip of a switch it would revert back to a normal quite exhaust. I think that's what a cutout is for, but...
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