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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Roush
Roush Phase 1 to Phase 2 727HP Supercharger Upgrade Kit for 2015-2017 Ford Mustang (MPN 421994)
$999.99
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 2015-2017 Ford Mustang (EcoBoost, GT, V6, and Shelby GT350/GT350R).
The ROUSH Phase 2 supercharger upgrade kit is designed to bridge the gap between the Phase 1 system and extreme track performance. This kit integrates proven core components and a precise calibration to extract an additional 57 horsepower and 65 lb-ft of torque from your existing setup. The result is a total output of 727 hp and 610 lb-ft of torque, providing high-tier performance while maintaining the smooth drivability and reliability required for a daily driver.
Extensively tested in laboratories and on the dyno, ROUSH engineers have optimized the calibration to ensure consistent power delivery across all environmental conditions. This kit is a direct path to maximizing the efficiency and output of your Mustang's supercharged powertrain.
- Total Output: 727 hp / 610 lb-ft of torque
- Performance Gain: +57 hp / +65 lb-ft of torque over Phase 1
- Includes high-flow fuel injectors and revised calibration
- Rigorously dyno-tested for reliability and durability
- Manufacturer Part Number: 421994
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | EcoBoost |
| 2015-2017 | Ford | Mustang | EcoBoost Premium |
| 2015-2017 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | GT Premium |
| 2015-2017 | Ford | Mustang | Shelby GT350 |
| 2015-2017 | Ford | Mustang | Shelby GT350R |
| 2015-2017 | Ford | Mustang | V6 |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Roush Phase 1 to Phase 2 727HP Supercharger Upgrade Kit for 2015-2017 Ford Mustang (MPN 421994)
$999.99
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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Our prices are updated daily to ensure we can offer you the best possible price. In the unlikely case that you have found a lower price, please contact us at hello@atlusauto.com and we'll do our best to answer your query right away!
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Share:
$999.99
$999.99
$999.99
Fits select 2015-2017 Ford Mustang (EcoBoost, GT, V6, and Shelby GT350/GT350R).
The ROUSH Phase 2 supercharger upgrade kit is designed to bridge the gap between the Phase 1 system and extreme track performance. This kit integrates proven core components and a precise calibration to extract an additional 57 horsepower and 65 lb-ft of torque from your existing setup. The result is a total output of 727 hp and 610 lb-ft of torque, providing high-tier performance while maintaining the smooth drivability and reliability required for a daily driver.
Extensively tested in laboratories and on the dyno, ROUSH engineers have optimized the calibration to ensure consistent power delivery across all environmental conditions. This kit is a direct path to maximizing the efficiency and output of your Mustang's supercharged powertrain.
- Total Output: 727 hp / 610 lb-ft of torque
- Performance Gain: +57 hp / +65 lb-ft of torque over Phase 1
- Includes high-flow fuel injectors and revised calibration
- Rigorously dyno-tested for reliability and durability
- Manufacturer Part Number: 421994
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | EcoBoost |
| 2015-2017 | Ford | Mustang | EcoBoost Premium |
| 2015-2017 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | GT Premium |
| 2015-2017 | Ford | Mustang | Shelby GT350 |
| 2015-2017 | Ford | Mustang | Shelby GT350R |
| 2015-2017 | Ford | Mustang | V6 |
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