Whipple Stage 2 Supercharger Kit Gen 6 3.0L (20182021 Mustang GT) WK-2625-STG2-30
Maximum 50-State Legal Power for the S550 Mustang GT
The Whipple Stage 2 Gen 6 3.0L Supercharger Kit is the ultimate emissions-legal upgrade for the 20182021 Ford Mustang GT 5.0L. Built around Whipples groundbreaking Gen 6 front-feed 3.0L twin-screw supercharger, this complete bolt-on system delivers up to 825 flywheel horsepower and 655 lb-ft of torque on 93 octanewith factory-level drivability and long-term reliability.
At the core is Whipples advanced 3x4 rotor combination with a 285-degree helix angle, redesigned bearings, gears, and housing for higher RPM capability and exceptional efficiency across the entire rev range. Airflow is fed through the massive Crusher 150mm Roval inlet, ensuring unrestricted airflow and minimal rotor cavitation for serious power headroom.
Cooling is handled by Whipples patented dual-core, dual-pass intercooler system, where each core is utilized twice to extract maximum heat from the charge air. Paired with an industry-leading oversized heat exchanger, high-flow intercooler pump, and large water reservoir, the system maintains consistent intake air temperatures and rapid recovery under aggressive driving.
Whipples exclusive calibrationdelivered via the included HP Tuners RTD flash toolprecisely manages fuel, spark, torque, throttle, and knock control while retaining factory safety strategies. The result is massive, repeatable power that remains CARB certified and legal in all 50 states.
Performance Highlights
- Stage 2 output: Up to 825 HP and 655 lb-ft (flywheel)
- Gen 6 3.0L twin-screw supercharger with 3x4 rotors
- Patented dual-pass, dual-core intercooler for unmatched cooling
- Crusher 150mm Roval inlet for maximum airflow
- Oversized heat exchanger and high-flow intercooler pump
- Billet 132mm Whipple Roval throttle body
- Flat torque curve with instant boost response
- Complete plug-and-play installation with no cutting required
- CARB certified and 50-state legal
Quick Specs
- Part Number: WK-2625-STG2-30
- Application: Ford Mustang GT 5.0L
- Model Years: 20182021
- Supercharger: Whipple Gen 6 W185ax (3.0L)
- Throttle Body: 132mm billet Roval
- Fuel Requirement: 91+ octane (93 recommended)
- Intercooler: Dual-core, dual-pass air-to-water
- Tuning: HP Tuners RTD flash tool included
- Emissions: CARB EO D-231-69
FAQs
What separates the Stage 2 kit from Stage 1?
Stage 2 adds higher output calibration and airflow hardware, including the billet 132mm Roval throttle body, to safely support increased boost and deliver maximum 50-state legal power.
Is this system safe for a stock Coyote engine?
Yes. The kit is engineered as a complete system with the cooling, fueling, and calibration required to support the added power while retaining OEM-level safety strategies.
Fitment
- 2018 Ford Mustang GT 5.0L
- 2019 Ford Mustang GT 5.0L
- 2020 Ford Mustang GT 5.0L
- 2021 Ford Mustang GT 5.0L
Why Buy from Beefcake Racing?
Beefcake Racing is a trusted Whipple Superchargers dealer with extensive S550 Mustang experience. Need help choosing the right configuration, finish, or future upgrades? Call 1-855-827-7223 or email sales@beefcakeracing.com.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
