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Community Q&A Question: Twin Turbo

Asking About: Mustang Hellion Twin Turbo Kit - Complete System (11-14) 5.0L


Twin Turbo

I have a 2014 GT that is bone stock. What is the most boost that can be ran on my stock motor without any damage and how much horse power will it produce?
from Shreveport |

Hellion states running just 5psi on this kit will net 600+ RWHP on a bone stock GT which is pretty streetable and safe for a stock 5.0L. Thanks!
from McGregor |
LMR.com Staff Member Post!

Thank you for your response. I have seen a video where Hellion tested a twin turbo kit on a 2015 GT and pushed it all the way to 950Hp at 16lbs of boost. I don't want to go that far, but would maybe 8-10lbs of boost still be safe on a stock 2014 GT? - Christopher 6 years ago

I'd say that would still be on the safe side. As with any forced induction setup, it's only a matter of time before you would need to do some bottom end beef up to handle more boost, but keeping it under 10psi for now will help prolong your setup until you can get there. Enjoy! - Jeff 6 years ago

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  • Mustang Hellion Twin Turbo Kit - Complete System (11-14) 5.0L
    Hellion Twin Turbo Kit - Complete System (11-14) GT 5.0L
    This item is no longer available.