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  1. 2015+ STI Discussion
    Hey all, I am looking for a catback system for a “stock” 2021 STI that can provide a deep rumble, but produce minimal drone. I don’t have too much issue with price as long as it’s not like $2k+. I’ve looked at AWE touring, COBB, and Borla, but don’t know how badly these drone. Any suggestions...
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