W140AX 2.3L Twin-Screw Supercharger System

The Whipple WK-1101NFT is a high-performance intercooled supercharger system engineered for 2003-2006 GM, GMC, Chevy, and Cadillac trucks and SUVs equipped with the 5.3L engine. This kit utilizes Whipple's W140AX 2.3L twin-screw supercharger, renowned for its 99% volumetric efficiency and industry-leading power potential. It also incorporates a massive, oversized air-to-water intercooler to provide unmatched cooling capacity, ensuring optimal performance under demanding conditions. This system is designed to deliver a significant power increase of over 150 horsepower and 7-8 psi of boost when running on 91-octane fuel. The advanced design includes a unique intercooled bypass system that promotes better acceleration while consuming less than 1hp during cruising, contributing to excellent fuel economy. Whipple Superchargers are known for delivering more power per pound of boost compared to other supercharger brands on the market. This specific configuration is a No-Flash-Tuner kit. Upon installation, it requires a custom tune to be performed locally, and the customer must provide their own flash tuner. The kit comes complete with all necessary components, including the 2.3L supercharger, high-flow fuel injectors, an aluminum high-flow intake manifold, and all pre-formed hoses and wiring connectors for a straightforward installation process. For those seeking a complete kit with an included flash tuner, alternative options are available.