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Hey guys been searching the web and forum for a little and cant find much in regards to a question I have .I recently just purchased a hiflow aftermarket air filter for my stock 2016 st .now I know that you are never going to get any performance numbers etc. from just a filter . but my question is can it actually hinder the performance of our st"s ? Reason I ask is the car felt like it had a lot more torque before fitting the filter to now could it actually be pulling in way to much air or am I just tripping lol .
 

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If it's open ended, it could be suckling in hot engine bay air, instead of nice cool air the ducts pull from outside the engine bay.

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Did you keep the cover on? Honestly I never noticed any difference with an air filter top on or off. Probably moreso in your head now that you're hearing sucking intake noises lol
 
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