The supercharger kit also adds an extra 260 lb-ft of torque over stock.
Roush's latest supercharger kit promises to give 2022 and 2023 model-year Ford Mustang GTs a 300 horsepower and 260 lb-ft of torque upgrade from stock.
Those are huge numbers and will bring a standard Mustang GT and its 5.0-liter V8 up to a whopping 750 hp. Roush also adds three years/36,000-mile warranty if an ASE-certified technician fits the kit. The kit is based around Eaton's TVS R2650 supercharger, capable of producing 14 pounds per square inch of boost. You also get an updated radiator to deal with the extra heat.
The kit will not fit Mach1, Bullitt, or GT350 models. You can also forget about it if you live in California because it's outlawed. It's probably not a good idea anyway, considering how California cops treat loud cars.
The reason this kit is only for 2022/2023 models is that Roush can meet the Tier 3 emissions standards required on new Mustangs with a hydrocarbon trap in the induction system and unique software calibration.
The car will run on non-premium fuel with this kit, but it's optimized for 93 octane gas. Roush advertises the kit as "engineered for durability with oversized bearings and timing gears" for "longevity and reliability whether cruising the highway or hitting the track."
Roush says it's an advanced installation that should take 16 hours, which needs to be factored into the cost on top of the $8,799.99 kit. Roush has a close relationship with Ford, so plenty of dealerships can install the supercharger.
It's yet another considerable upgrade Roush has delivered for the Coyote engine.
The Mustang GT starts at $38,345 with 450 horsepower and 410 lb-ft of torque out of the box. That's already a performance bargain if you can find one without a dealer markup. If we factor in around $130 an hour labor charge (prices vary) and the cost of the kit, it adds up to a 750-horsepower car for just under $50,000.
However, you may want to upgrade the tires and brakes at the bare minimum for that kind of power upgrade. We would also be tempted by Roush's MagneRide suspension kit.
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