Whipple Supercharger Kit Intercooled W140AX 2.3L (20042006 GM Truck / SUV 5.3L) WK-1101
Intercooled Twin-Screw Supercharger System for 5.3L GM Trucks & SUVs
The Whipple W140AX 2.3L Intercooled Supercharger Kit is a complete, bolt-on forced-induction system engineered for 20042006 GM/GMC/Chevy/Cadillac trucks and SUVs equipped with the 5.3L V8. Designed to deliver massive gains with factory-like drivability, this system produces 150+ horsepower increases on 91-octane fuel with only 78 psi of boost.
At the core is Whipples W140AX 2.3-liter twin-screw supercharger, capable of reaching up to 99% volumetric efficiency. A massive oversized air-to-water intercooler provides exceptional charge-air cooling, allowing consistent power under load whether youre daily driving, towing, or getting into the throttle.
The system also features Whipples intercooled bypass design, reducing parasitic loss to less than 1 horsepower during cruising for excellent fuel economy. Engineered as a 100% complete system, it bolts onto stock engines yet offers enough airflow capacity to support future modifications.
Performance Highlights
- Gain 150+ HP on 91-octane fuel
- W140AX 2.3L Whipple twin-screw supercharger
- Massive air-to-water intercooler for superior cooling
- Up to 99% volumetric efficiency
- Intercooled bypass system for excellent drivability
- Instant throttle response with strong torque increase
- Designed for stock engines with room for modified builds
- Complete bolt-on systeminstall and drive
Quick Specs
- Part Number: WK-1101
- Supercharger: Whipple W140AX (2.3L)
- Engine: GM 5.3L V8
- Boost Level: 78 psi
- Power Gains: 150+ HP
- Fuel Requirement: 91 octane
- Intercooler: Oversized air-to-water system
- Tuning: SCT Flash Programmer included
- Installation: Complete bolt-on kit
Whats Included
- W140AX 2.3L twin-screw supercharger
- Oversized air-to-water intercooler
- Aluminum high-flow intake manifold
- High-flow fuel injectors
- SCT Flash Programmer for ECU recalibration
- Pre-formed hoses and required wiring connectors
- All necessary hardware for installation
FAQs
Is this system suitable for daily driving and towing?
Yes. The intercooled bypass system and Whipple calibration provide smooth drivability, strong low-end torque, and improved towing performance.
Can this kit support future engine upgrades?
Absolutely. The W140AX 2.3L platform offers ample airflow capacity to support additional modifications beyond a stock engine setup.
Fitment
- 2004 GM Truck / SUV 5.3L
- 2005 GM Truck / SUV 5.3L
- 2006 GM Truck / SUV 5.3L
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm.
For more information, visit www.p65warnings.ca.gov.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for Whipple supercharger systems and GM truck performance upgrades. Need help confirming compatibility or planning supporting mods? Call 1-855-827-7223 or email sales@beefcakeracing.com.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
