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.