2015-17 Mustang Roush 5.0L Power Pack - Level 2 by Roush

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  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)
  • Roush Mustang 5.0L Power Pack - Level 2 (15-16)

Add up to 25HP & 30lb-ft or torque to your 2015-2017 Ford Mustang 5.0L with this Roush Performance level 2 power pack!

Item #RSH-421997
MPN# 421997

Your Price: $1,175.99

Market Price:$1,195.99
You Save 1.67 % ($20.00)

  Ships from supplier by Thursday, May 31

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  • Sporty Tone
  • Less Intake Restriction
  • Improved Throttle Mapping
  • Gain up to 25 RWHP & 30 lb-ft RWTQ


  • 2.5" Exhaust Tubing
  • 304 Stainless Steel
  • Less Intake Restriction
  • 3-year/36,000-mile Warranty
  • Optimized for 91 Octane Fuel
  • ROUSH Exclusive Coyote Calibration

What's in the Box

  • (1) Roush Axle Back Kit
  • (1) Roush Cold Air Intake
  • RDT Flash Software

Made in the USA

Product Description

Roush 5.0L Level 2 Power Pack
One of the quickest ways to add more HP & TQ to your 2015-17 Ford Mustang is with a proper tune, cold air intake and axle back kit. The Roush performance level 2 power pack for the Coyote 5.0L can add an exceptional 29RWHP and 36lb-ft. in torque! Roush also offers a 3-year/36,000 mile limited powertrain warranty that will give you the confidence to crank up the power in your S550!
This 15-17 S550 Mustang Roush Level 2 Power Pack will not only increase horsepower and torque, but it will also add premium fuel calibration and the throttle mapping will add a sporty feel off idle to provide performance and drive ability gains through out the entire power band!
The Roush cold air intake kit has been fully tested and calibrated to work seamlessly with the performance ECU reflash. The 15-17 Roush cold air is designed to maximize available underhood space, and injection molded from premium automotive-grade materials for long life. With a lower intake restriction over stock, you will never need to upgrade your intake no matter what mods you plan to do in the future.
The Roush 2.5" axle back kit is manufactured from high quality 304 grade stainless steel for long life and a great sound! This axleback system will come with all the hardware needed for proper installation and was tested to work in sync with the Roush cold air and ECU flash!
Experienced DIY’ers and nearly any dealer can perform the calibration upgrade in under an hour without getting their hands dirty.

-Optional warranty must be purchased within 30 days of service installation date.

-Horsepower and torque improvements shown are typical. Individual results may vary.


-Fits 2015-2017 Ford Mustang 5.0L

Product Videos

How To Use Roush Power Pack Dongle (2015-2017 Ecoboost, GT)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

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Vehicle Applications

Ford Mustang - 2015 (15) - 2016 (16) - 2017 (17)

About This Brand

Roush - The Art of Performance Engineering
ROUSH Performance is the first specialty-vehicle company to combine race-proven technologies with advanced automotive engineering. The result, a unique mix of street car and race car...Is a ROUSH car. Or more specifically, a ROUSH Mustang or F-150 pickup with styling, performance, and handling characteristics derived from the racetrack and modified for street legal usage. The vehicles and components produced by ROUSH Performance are imprinted with Jack Roush's vision, passion for performance, and commitment to excellence. He personally approves the design, engineering, fit, finish and overall performance of each package, ensuring that his personal standards are met prior to production and product release. Many of these products are designed by the same engineering group that has helped Roush Racing become the winningest Ford racing team in history.

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