Muffler

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May 10, 2019
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Has anyone taken the restrictive OEM mufflers off their 2018 Sonata, 2.4l, and replaced it with a free-flow muffler??
 
No, not looking to extract anymore performance . I've done the bigger throttle body, ecu upgrade, basically for better milage, which is up. I just want a free flowing exhaust system to help the engine ! My performance car is a ZL1 , milage people hauler is my Sonata!
 


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