2016 GT with Kooks LTH green cats and stock muffler

Discussion in 'V8 5.0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by ked, Sep 17, 2019.

  1. ked

    ked New Member

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    Khaled
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    2016 Mustang GT
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    Hello,

    So I just purchased some kooks LTH green catted for my 2016 GT awaiting delivery

    after going online and searching ,I have seen people running them on X and H or even straight pipes with multiple exhaust setups .

    but my Q here , would they work with stock resonators and mufflers... means to replace only the headers .

    reason for that is that i am trying not to be too loud as the traffic rules here are a bit hard on modified cars , man they failed my Harley inspection for running short exhaust LOL

    my thoughts would be that the resonator should only affect the sound of the car, and (correct me if i am wrong) I believe there is no sensors there.

    would there be any gain difference. and is a tune update required for stock resonator or added H pipes .

    Thank you so much.
     
  2. ForYourOwnGood

    ForYourOwnGood Well-Known Member

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    It'll work fine and you'll gain power. All the power is bottled up by the stock cats. I've heard long tubes on a stock exhaust and its only a little louder than stock.
     
  3. Performance nut

    Performance nut Well-Known Member

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    I did this exact setup on my 2016 and it was awesome. I eventually went with an H-pipe and Borla catback to get better sound that I loved. And it does gain, I have a dyno somewhere that shows there was improvement without a tune.
     
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