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Discussion Starter #1
I drive a 2017 summit with a 5.7 hemi. I installed a cold air intake and was wondering if I should get it tuned or a new exhaust system?
 

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2014 5.7 Limited ORA2
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If you want to make power, you will need to get it tuned.

HP Tuners MPVI2
You have a 2017 so your PCM is locked, you either buy a spare PCM and get it unlocked by HP Tuners (Free if you buy their MPVI2) or purchase an unlocked PCM directly from them.
 

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If you want to make power, you will need to get it tuned.

HP Tuners MPVI2
You have a 2017 so your PCM is locked, you either buy a spare PCM and get it unlocked by HP Tuners (Free if you buy their MPVI2) or purchase an unlocked PCM directly from them.
Will that work for the 2021 also?
 

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2014 5.7 Limited ORA2
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163 Posts
HP Tuners hasn't released support for 2021 yet so as of right now, no but I don't see the platform changing much at all, it's probably just a matter of time and it will be supported.
 

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Discussion Starter #6
If you want to make power, you will need to get it tuned.

HP Tuners MPVI2
You have a 2017 so your PCM is locked, you either buy a spare PCM and get it unlocked by HP Tuners (Free if you buy their MPVI2) or purchase an unlocked PCM directly from them.
So I need to buy a spare PCM if so where from or take it to a tuning business?
 
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