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

Looking to unlock modern supercharger performance from your Jeep Grand Cherokee 6.4L while retaining emissions compliance and factory drivability?

POWER: With the Whipple Gen 6 3.0L supercharger system and 93 octane fuel, output increases to up to 710 horsepower and 650 lb-ft of torque. Dyno testing has shown gains of up to 180 rear-wheel horsepower, delivering immediate boost response and a strong, flat torque curve throughout the RPM range.

The Gen 6 3.0L twin-screw supercharger is engineered to move more air per revolution with improved efficiency and reduced charge air temperatures. The result is repeatable, reliable power whether driven daily or pushed hard under load.

• Gen 6 3.0L twin-screw supercharger with advanced rotor profile
• Oversized 112mm front-entry inlet for improved airflow efficiency
• Patented dual-core, dual-pass air-to-water intercooler system
• Flat torque curve with instant throttle response
• Drag Pak–proven supercharger technology
• Lower inlet air temperatures under sustained load
• Proven 6-rib belt drive with adjustable idler

This system installs as a complete bolt-on package with no internal engine modifications required. OEM-style quick-connect fittings and plug-and-play wiring allow for a clean, factory-style installation.

PCM Note: Model years 2018–2021 require an unlocked PCM. Whipple includes the required HP Tuners unlock code and security gateway solution to support proper calibration.

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

• Supports optional cold air intake upgrades
• Compatible with oversized throttle body upgrades
• Factory-clean engine bay appearance once installed
• Emissions compliant for street use in all 50 states
• Designed for long-term reliability and repeatable performance

50-State Legal: CARB EO D-231-103

*Power numbers are quoted with 93 octane under optimal conditions. Actual results may vary depending on fuel quality, altitude, and testing procedures.

Fitment: 2018–2021 Jeep Grand Cherokee 6.4L