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Hellion Twin Turbo - Complete Kit (11-14 GT)

Market Price $9,429.99 You Save 10% ($934.00)

$8,495.99 (kit)

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  • Item 42610
  • MPN# 11-14 GT Twin Turbo Kit

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Features & Details

  • Twin Turbo - Complete Kit
  • Precision 62mm Turbos
  • 600 to 1,200+ Horsepower
  • 5 psi to Over 25 psi
  • Includes Hand Held Tuner with Program
  • Precision 1-Year Warranty
  • Fits 2011 to 2014 5.0L GT
More Power! The Coyote powered GT Mustangs came with an awesome 412 Horsepower and 390 lb/ft of Torque from the factory, but after installing a Hellion Twin Turbo Kit, you'll be planting a ground pounding 600 to 1200 Horsepower to the pavement (depending on custom tuning and fuel upgrades).

Complete Kit. The Hellion Mustang Twin Turbo Kit comes with (2) Precision 62mm Turbos, (2) Turbosmart 40mm Wastegates, (2) Turbosmart VEE port bypass valves, (2) Stainless 4 into 1 tubular headers, 47 LB fuel injectors, handheld programmer with base tune installed and all the required parts and hardware needed to upgrade your mild manner pony to a wild snarling beast.

Application. This Hellion Twin Turbo Kit is specifically designed for use on the 2011-2014 GT Mustangs equipped with the Coyote 4V 5.0L V8 engine.

Note: Coupon codes cannot be applied to this product.

Please Note. Hellion Turbo Systems are built to order for our customers and accordingly, we require you to submit additional information about your vehicle using this form. Because of this there can be a 5 to 7 day lead time on orders once your information is received.

Once the Customer Information Form is filled out, please email it to with your Order Number in the Subject line, so the order can be processed.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (2) Precision 62mm Turbos
  • (2) Turbosmart 40mm Wastegates
  • (2) Turbosmart VEE port bypass valves
  • (2) Stainless 4 into 1 Tubular Headers
  • 47lb Fuel Injectors
  • Handheld Tuner with base tune
  • Necessary Hardware
Installation Info
Tech Specs
  • Complete Kit - includes programmer with base tune
  • Two Precision 62mm Turbo
  • Stainless steel tubing
  • Professional Installation Recommended
  • Precision 1 year warranty against defects in material/workmanship
Will it fit my Mustang?
  • GT - 11, 12, 13, 14

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26 Questions / 13 Answers

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Will this work on a 2013 Boss 302? Will this work on a 201 Boss 302 and if so what kind of power will it put down to the wheels?


  • The Boss definitely has an advantage over GT''s due to having forged cranks, rods, coated bearings, and better valve springs from the get go but it would be nice if they had decided to put a forged set of pistons with all that too. This kit will easily get you 1000+ WHP I suggest a professional shop install and dyno tune the car. This kit won't disappoint, wish I had the Boss model but one GT is better than a LS if I may say so...


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What is the max boost on a stock motor? And what kind of camshaft a can I use with this setup?


  • 5 psi will net you 600 rwhp. Any more than that you will be pushing the limits of your engine.


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Using stock exhaust Can this be installed with stock exhaust on or would I have to buy a new exhaust system?


  • I believe you will be fine on stock exhaust.


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What separate upgrades are essential after installing this kit? Clutch, tranny, etc...


  • Tires


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Can you use BBKs ceramic long tubes with this application?


  • No, the Hellion kit comes with it's on ceramic headers in the kit no need for any thing else, put it in and enjoy.


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does it fit automatic transmission ? does the twin turbo fit automatic transmission ?


  • yes it fits both auto and manual it is great kit i have it on mine


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Customer Reviews (1) Write a Review

Overall Rating 4.0

out of 5 stars

Installation Time:Shop Install

Installation Cost:$500-$1000

  • Performance Gain 5 5
  • Fit 5 5

  • 4/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    January 07, 2016

    Awesome power

    After months of begging to my wife about purchasing this product she finally said "ok get it". Right away I got my iPad and purchase it. I've became the happiest person once I got my car back.


    Year: 2013 Submodel: GT Norwalk, CA

    Helpful (1) (0)

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