Whipple 2018-21 Jeep Grand Cherokee 6.4L Gen 6 3.0L Kit

Whipple 2018-2021 Jeep Grand Cherokee 6.4L Gen 6 3.0L Kit

Unleash the full potential of your 2018-2021 Jeep Grand Cherokee 6.4L HEMI with the Whipple Gen 6 3.0L Twin-Screw Supercharger System. Designed as a complete bolt-on package, this system delivers up to 710 horsepower and 650 lb-ft of torque on 93-octane fuel while maintaining factory-like drivability and 50-state emissions compliance. Dyno testing has demonstrated gains of up to 180 rear-wheel horsepower, providing instant boost and exceptional performance throughout the RPM range.

At the core of the system is Whipple’s Gen 6 3.0L twin-screw supercharger featuring an advanced rotor profile, oversized 112mm front-entry inlet, and patented dual-core, dual-pass air-to-water intercooler system. Combined with billet fuel rails, high-flow injectors, oversized heat exchanger, and proven 6-rib belt drive, the system delivers outstanding airflow efficiency, reduced inlet temperatures, and reliable performance for both daily driving and high-performance use.

Key Features

• Up to 710 HP and 650 lb-ft of torque on 93-octane fuel
• Dyno-proven gains of up to 180 rear-wheel horsepower
• Gen 6 3.0L twin-screw supercharger with advanced rotor profile
• Oversized 112mm front-entry inlet for improved airflow
• Patented dual-core, dual-pass air-to-water intercooler system
• Flat torque curve with instant throttle response
• Lower inlet air temperatures under sustained load
• Drag Pak-inspired supercharger technology
• Proven 6-rib belt drive with adjustable idler
• 50-state emissions compliant (CARB EO D-231-103)

Kit Includes

• Whipple Gen 6 3.0L twin-screw supercharger assembly
• Patented dual-core, dual-pass intercooler system
• Billet fuel rails
• High-flow fuel injectors
• Oversized heat exchanger
• High-flow intercooler pump
• 6-rib belt drive with adjustable idler
• OEM-style hoses, fittings, and mounting hardware
• Plug-and-play wiring
• Flash tool support with HP Tuners unlock code and Security Gateway solution

Specifications

• Supercharger Type: Twin-Screw
• Supercharger Generation: Gen 6
• Supercharger Displacement: 3.0L
• Inlet Size: 112mm Front Entry
• Maximum Advertised Output: Up to 710 HP / 650 lb-ft
• Maximum Advertised Gain: Up to 180 RWHP
• Recommended Fuel: 93-Octane Premium
• Belt Drive: 6-Rib with Adjustable Idler
• CARB Executive Order: D-231-103

Vehicle Fitment

• 2018–2021 Jeep Grand Cherokee SRT 6.4L HEMI

Important Notes

• Designed specifically for 2018–2021 Jeep Grand Cherokee SRT models equipped with the factory 6.4L HEMI engine.
• No internal engine modifications are required for installation.
• Model years 2018–2021 require an unlocked PCM. The required HP Tuners unlock code and Security Gateway solution are included to support calibration.
• Compatible with optional cold air intake and oversized throttle body upgrades.
• Power figures are based on 93-octane fuel under optimal testing conditions. Actual results may vary depending on fuel quality, altitude, vehicle condition, and supporting modifications.