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Whipple Supercharger Stage 2 Kit Gen 6x 3.0L (2019 - 2021 Mustang Bullitt) WK-2626-STG2-30

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Item#:
wk-2626-stg2-30
Price: $9,799.99
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Whipple Stage 2 Gen 6x Supercharger Kit 3.0L (2019–2021 Mustang Bullitt) WK-2626-STG2-30

Maximum Gen 6x Performance for the Mustang Bullitt

The Whipple Stage 2 Gen 6x Supercharger Kit is the ultimate street-legal power solution for the 2019–2021 Ford Mustang Bullitt 5.0L. Built around Whipple’s most advanced Gen 6x 3.0L front-feed twin-screw supercharger, this complete bolt-on system delivers extreme horsepower, instant torque, and OEM-level drivability while remaining fully emissions compliant in all fifty states.

At the core of the system is Whipple’s revolutionary Gen 6x W185AX 3.0L supercharger, featuring an exclusive 3x4 rotor combination, increased helix angle, optimized discharge port, redesigned bell-mouth inlet, and all-new bearings and gears. This design allows the supercharger to spin faster and more efficiently, producing substantially more airflow under the curve than traditional 4x4 roots-style designs.

The Stage 2 configuration adds a billet 132mm Roval electronic throttle body and high-flow dual-beam fuel injectors, unlocking the airflow and fueling capacity required for serious power. Whipple’s patented dual-core, dual-pass intercooler system, combined with the industry’s largest heat exchanger, oversized coolant reservoir, and high-flow intercooler pump, delivers unmatched charge-air cooling and rapid recovery after hard use.

On premium pump gas, the system produces up to 825 horsepower and 655 lb-ft of torque on 93 octane. With instant boost at throttle tip-in, a flat torque curve, and relentless pull to redline, this Stage 2 system transforms the Bullitt into a dominant yet dependable street machine—no cutting, hood modifications, or additional upgrades required.

Performance Highlights

  • Gen 6x W185AX 3.0L twin-screw supercharger with exclusive 3x4 rotor combo
  • Up to 825 HP and 655 lb-ft of torque on 93 octane fuel
  • CARB certified and legal in all fifty states (EO D231-69)
  • Billet 132mm Roval electronic throttle body
  • Patented dual-core, dual-pass intercooler technology
  • Massive air-to-water intercoolers over 55% larger than some competitors
  • Oversized heat exchanger with high-flow intercooler pump
  • 150mm Crusher™ Roval inlet for maximum airflow capacity
  • Instant boost with a flat, hard-hitting torque curve

Quick Specs

  • Part Number: WK-2626-STG2-30
  • Supercharger Type: Twin-screw, positive displacement
  • Displacement: 3.0L (3000cc)
  • Generation: Gen 6x
  • Rotor Design: Exclusive 3x4 rotor combination
  • Throttle Body: Billet 132mm Roval electronic
  • Intercooling: Air-to-water, dual-core, dual-pass
  • Tuning: Whipple calibration with HP Tuners RTD tool
  • Emissions: CARB EO D231-69, 50-state legal

FAQs

What does the Stage 2 system add over Stage 1?

The Stage 2 system includes a billet 132mm Roval throttle body and upgraded fueling to support significantly higher horsepower while maintaining factory-like drivability and emissions compliance.

Is this system a true bolt-on installation?

Yes. This kit installs under the factory hood and requires no cutting or grinding of the engine block or K-brace. All necessary hardware and components are included.

Fitment

  • 2019 Ford Mustang Bullitt
  • 2020 Ford Mustang Bullitt
  • 2021 Ford Mustang Bullitt

Why Buy from Beefcake Racing?

Beefcake Racing is a trusted Whipple Superchargers partner with extensive experience in late-model Mustang performance builds. From expert product guidance to post-install support, our team is here to help you get the most from your setup. Call 1-855-827-7223 or email sales@beefcakeracing.com.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov