Whipple Supercharger No Flash Tool Kit Gen 6 3.0L (20202024 GM 2500HD 6.6L Truck) WK-1225NFT-30
Whipple Gen 6 3.0L Supercharger System for GM 6.6L L8T HD Trucks
The Whipple Gen 6 3.0L Supercharger No Flash Tool (NFT) Kit is the most powerful emissions-legal, positive-displacement supercharger system available for 20202024 GM HD trucks powered by the 6.6L L8T V8. Engineered for extreme-duty applications, this system delivers massive torque, instant throttle response, and consistent power for towing, hauling, and performance driving.
This is a No Flash Tool (NFT) configuration. The kit includes NO calibration, NO tuning credits, and NO flash tool. Custom PCM tuning is required.
Built around Whipples award-winning Gen 6 3.0L twin-screw supercharger, this system delivers up to 685 horsepower and 695 lb-ft of torque* on just 7 psi of boost while maintaining OEM-level drivability and CARB-certified, 50-state-legal compliance.
Gen 6 Twin-Screw Supercharger Efficiency and Power Delivery
At the heart of the system is Whipples Gen 6 3.0L twin-screw supercharger, engineered with advanced rotor profiles for maximum airflow, efficiency, and durability. This positive-displacement design provides instant boost and a flat torque curve, making it ideal for heavy-duty truck applications.
An integrated intercooled bypass system improves acceleration under load while maintaining excellent fuel efficiency during cruising, consuming less than 1 horsepower at steady speeds.
Oversized Intercooling and Thermal Control
The system features a massive billet 6061-T6 air-to-water intercooler with ultra-dense fins, paired with a large dual-pass heat exchanger and a high-flow intercooler pump. This setup provides exceptional heat rejection and rapid recovery times under sustained load.
Whether towing heavy trailers, daily driving, or operating under extreme conditions, this cooling system ensures consistent intake air temperatures and reliable performance.
Complete Hardware-Only Supercharger Kit
This is a complete, bolt-on, hardware-only supercharger system designed for OEM-quality integration. The kit includes a high-flow aluminum intake manifold, billet idler plate, adjustable idler system, high-capacity water system, and all required hardware for a clean, factory-installed appearance.
Important: This is a No Flash Tool (NFT) kit. No calibration, no tuning credits, and no flash device are included.
Performance Highlights
- Up to 685 HP and 695 lb-ft of torque on 93 octane*
- Gen 6 3.0L Whipple twin-screw supercharger
- Instant boost with flat torque delivery
- Oversized billet air-to-water intercooler
- Massive dual-pass heat exchanger
- High-flow intercooler pump for fast recovery
- Compatible with Global A and Global B PCM architectures
- Designed for towing, hauling, and heavy-duty use
- CARB-certified and 50-state legal hardware
Quick Specs
- Part Number: WK-1225NFT-30
- Engine: GM 6.6L L8T V8
- Supercharger Displacement: 3.0L
- Supercharger Type: Twin-screw, positive displacement
- Boost Level: ~7 psi
- Peak Output: Up to 685 HP / 695 lb-ft*
- Intercooling: Air-to-water with dual-pass heat exchanger
- PCM Compatibility: Global A & Global B (E93)
- Configuration: No Flash Tool (NFT)
- Tuning: NOT included
- Emissions: CARB EO D-231-106
Fitment
- 2020 Chevrolet Silverado 2500HD 6.6L L8T
- 2021 Chevrolet Silverado 2500HD 6.6L L8T
- 2022 Chevrolet Silverado 2500HD 6.6L L8T
- 2023 Chevrolet Silverado 2500HD 6.6L L8T
- 2024 Chevrolet Silverado 2500HD 6.6L L8T
- 2020 Chevrolet Silverado 3500HD 6.6L L8T
- 2021 Chevrolet Silverado 3500HD 6.6L L8T
- 2022 Chevrolet Silverado 3500HD 6.6L L8T
- 2023 Chevrolet Silverado 3500HD 6.6L L8T
- 2024 Chevrolet Silverado 3500HD 6.6L L8T
- 2020 GMC Sierra 2500HD 6.6L L8T
- 2021 GMC Sierra 2500HD 6.6L L8T
- 2022 GMC Sierra 2500HD 6.6L L8T
- 2023 GMC Sierra 2500HD 6.6L L8T
- 2024 GMC Sierra 2500HD 6.6L L8T
- 2020 GMC Sierra 3500HD 6.6L L8T
- 2021 GMC Sierra 3500HD 6.6L L8T
- 2022 GMC Sierra 3500HD 6.6L L8T
- 2023 GMC Sierra 3500HD 6.6L L8T
- 2024 GMC Sierra 3500HD 6.6L L8T
FAQs
Does this kit include tuning or a flash tool?
No. This is a No Flash Tool (NFT) kit and includes no calibration, no tuning credits, and no flash device. Custom PCM tuning is required.
What PCM is required for this system?
20202024 models require an E93 PCM upgrade service. Global A and Global B architectures are supported. Always verify PCM type prior to ordering.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Whipple Superchargers dealer with extensive experience in GM HD truck performance. Our team helps ensure you choose the correct configuration and provides expert support before and after the sale.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
