Whipple Superchargers Gen 6 3.0L Twin-Screw Supercharger Kit (Non-eTorque)
Fits 2019-2022 (DT / new body) 5.7L HEMI V8 (DT)
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Price tracked 9 times since Jul 26, 2026: low $9,299.99, high $9,399.99, currently $9,299.99.
Requires: NON-eTORQUE ONLY. Whipple explicitly states this system is not compatible with the eTorque engine option. New body (DT) only.
where to buy · 2 retailers tracked
A supercharger is a belt-driven air pump bolted to the engine that forces in more air than the engine could pull on its own, which is the single biggest power increase you can bolt to a 5.7L HEMI. This is Whipple's twin-screw unit with an intercooler, larger fuel injectors and the tuning software included.
why this one — This is the one that is actually road legal in every state: Whipple publishes CARB Executive Orders D-231-145 and D-231-115 for it, which is a specific certification number rather than a vague compliance claim. Pick it over the eTorque kit only if your truck does NOT have eTorque, because Whipple says flatly that this kit will not work on one. The honest downsides are the price, a full day or more of skilled labor, and the fact that a supercharger makes the whole rest of the drivetrain the next weak link.
CLAIMED (manufacturer) - whipplesuperchargers.com product page for WK-3304-30 states "Gain up to 180 RWHP". Whipple's own figure, rear-wheel, no independent dyno verification found this pass. No torque number published.
Gain shown is a manufacturer claim, not a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.