Roush 2015-2017 Mustang GT Flash Pack

SKU: RSH-421995

Manufacturer: Roush

389.99 $

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Roush 2015-2017 Mustang GT Flash Pack

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Add 15 hp and 19 lb-ft in rear wheel power

ROUSH Performance Flash Packs for the 2015-2016 5.0L Coyote V8 Mustangs, add an exceptional 15 RWHP and 19 lb-ft. of torque to the stock 5.0 liter engine. An optional 3-year/36,000-mile limited powertrain warranty gives you confidence to crank up the power.

Roush calibration engineers have extensive OEM calibration experience and sweat the details to ensure strong performance without sacrificing driveability. Hundreds of hours spent in the lab and on the dyno, testing and validating our calibrations, set our Flash Pack calibrations apart from guesswork tuning.

In addition to improved horsepower and torque, dedicated premium fuel calibration and throttle mapping lend a sporty feel right off idle to provide performance and driveability gains throughout the entire power band. ROUSH Flash Pack calibrations are uploaded easily into the ECU via industry standard J2534 re flash interfaces with our free Roush Diagnostic Tool (RDT).

An experienced DIY'er and nearly any dealer can perform the calibration upgrade in under an hour without getting their hands dirty.

Fast, fun and affordable power from ROUSH Performance, the leaders in Ford Performance vehicles and products.

  • Increased engine performance of over 15 RWHP and 19 lb-ft RWTQ
  • ROUSH exclusive 5.0L Coyote V8 calibration developed exclusively for Flash Pack applications
  • Dedicated premium fuel calibration adds increased torque and horsepower across the entire RPM range
  • Improved throttle mapping gives a more aggressive performance feel
  • Calibration optimized for 91 octane fuel (compatible with lower octane with reduced power)
  • Fully developed calibrations by Roush engineers under laboratory conditions
  • Optional 3-year/36,000-mile limited powertrain warranty available
  • Calibration is flashed using free Roush RDT software using industry standard J2534 interface tools. Note: A dealer service charge may apply
  • Fits 2015-2016 Ford Mustang GT with 5.0L Coyote V8 (All)
  • Optional warranty must be purchased within 30 days of service installation date. (See Roush warranty document 15PP-336PW-AA for complete details)
  • Manufacturer Roush
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    • Mustang GT 5.0L 2015,2016,2017