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2018 Optima EX, 2019 Stinger GT2 AWD
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Am I able to add a blow off or a sound plate to a 2015 Kia Optima ex gdi with a 2.4 L 4-cylinder engine
A blow off valve is a device used to dump turbo pressure when it isn't needed, such as when letting off the throttle or during shifts. This prevents a boost spike which can do bad things.
The 2.4l is a normally aspirated (eg. non turbo) engine, so it has neither a blow off valve, nor any place to put one.
 
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