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  1. Mustang EcoBoost Discussions
    Hi i have a 2016 mustang ecoboost, and i installed magnaflow mufflers and resenator delete. My friend showed me a way to make my exhaust pop lile crazy but i believe it is bad for my engine. What he does is rev to about 5k turn the car off, and turn it back on real quickly and press the gas...
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