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Limitless Engineering, a new venture from Ferris Rezvani, has shown a kit called Quickshift that adds a gated manual shifter to cars with dual-clutch automatic transmissions. Demonstrated in a Ferrari 458, the system produces rev-matched shifts using the car’s existing transmission controls. No pricing, release date or confirmed compatibility list has been announced.
Limitless Engineering, a new venture led by Ferris Rezvani, has unveiled Quickshift, a kit that adds a gated manual shifter to cars equipped with dual-clutch automatic transmissions. Demonstrated in a Ferrari 458, the system is designed to interface with a car’s existing transmission control unit to produce manual, rev-matched shifts through a physical stick — without adding a clutch pedal or requiring permanent modifications, according to the company.
Quickshift is a compact gated shifter intended to replicate the mechanical feel of a classic manual transmission while keeping the underlying dual-clutch gearbox intact. According to Limitless Engineering, the device communicates with the car’s existing transmission control system, so shifts made with the stick are executed by the same hardware that normally responds to paddle shifters. The company says the result is rev-matched shifts that behave as if the car had a full three-pedal setup, minus the clutch work.
The company claims installation is straightforward: it says the kit installs in hours and requires no permanent modifications to the vehicle. A demonstrator was fitted to a Ferrari 458, and Rezvani says the system can be adapted to work in any car — though this claim has not been independently verified, and no list of supported vehicles has been published.
Notably, the kit does not add a clutch pedal. Drivers still benefit from the dual-clutch gearbox’s speed and left-foot freedom; what changes is the tactile interface, replacing paddles or a console lever with a gated stick that slots into position for each gear.
Why Enthusiasts Want a Stick Back
The product addresses a growing gap in the new-car market: many performance cars are now sold exclusively with paddle-shifted automatics, because dual-clutch gearboxes shift faster and, in most drivers’ hands, more safely than a true manual. That leaves enthusiasts who value the ritual of rowing their own gears with fewer options each year, as manual take rates decline and manufacturers drop three-pedal variants.
Quickshift attempts to split the difference — retaining the speed and precision of a dual-clutch transmission while restoring the tactile, gated shifting experience associated with older sports cars. If it works as claimed, it could appeal to owners of automatic-only performance cars who want a more engaging interface without swapping the entire drivetrain, which would be impractical or impossible in most modern vehicles.
However, the likely cost is a major constraint. Rezvani’s existing business, Rezvani Motors, is known for bespoke, high-priced commissions, and The Drive notes that adapting the kit to an inexpensive car could cost several times the car’s purchase price. Integration effort is also expected to vary widely depending on the vehicle’s interior and electronics.
The Decline of the Three-Pedal Car
Manual transmissions have been disappearing from performance lineups for over a decade as dual-clutch and torque-converter automatics outperform them in shift speed and lap times. Many flagship sports cars — including the Ferrari 458 used as the demonstrator — were never offered with a true manual, leaving buyers who prefer a stick with no factory option.
Aftermarket conversions to genuine manual transmissions are rare, expensive and often technically infeasible in modern cars with tightly integrated electronics. Quickshift takes a different approach: rather than replacing the gearbox, it replaces the driver interface in front of it. Ferris Rezvani is the founder of Rezvani Motors, known for vehicles such as the Tank and Vengeance, and Limitless Engineering is his new venture focused on this type of product.
“Modern cars have amazing technology, but along the way they’ve lost the emotion.”
— Ferris Rezvani, founder of Limitless Engineering
Pricing, Compatibility Still Unanswered
Several key details about Quickshift remain undisclosed. No pricing has been announced, and given Rezvani’s bespoke-commission business model, The Drive reports the cost is likely to be substantial and to vary considerably depending on the vehicle. No release date or availability timeline has been given.
The claim that the system “can be adapted to work in any car” is the founder’s own and has not been independently tested or verified. It is also unclear how the system handles interactions with different manufacturers’ transmission control units, whether it affects vehicle warranties, and how it behaves in scenarios such as automatic downshifts, launch control or fault conditions. The company’s claims about installation time and non-permanent fitting have not been confirmed by third-party reviewers.
What to Watch From Limitless
Limitless Engineering will need to publish concrete details — pricing, supported vehicle list, installation process and warranty implications — before the kit moves from demonstration to sellable product. Prospective buyers will likely look for independent reviews verifying shift quality, reliability and the claim of no permanent modifications. Further demonstrations beyond the Ferrari 458, particularly in more common performance cars, would signal whether the product is a niche bespoke commission or something with broader reach. Enthusiasts considering transmission-related modifications to their own vehicles should also confirm any changes comply with local regulations and manufacturer warranty terms before proceeding.
Key Questions
Does Quickshift turn my car into a real manual transmission?
No. The kit keeps the dual-clutch gearbox and its electronics intact; it replaces the paddle or lever interface with a gated stick shifter. There is no clutch pedal, and shifts are still executed by the car’s existing transmission hardware.
Which cars does the kit work with?
A demonstrator has been shown in a Ferrari 458, and Rezvani says the system can be adapted to any car. No official compatibility list has been released, and the claim has not been independently verified.
How much does Quickshift cost?
Pricing has not been announced. Given the company’s bespoke-commission background, The Drive reports that costs are likely to be high and to vary widely by vehicle — potentially several times the value of an inexpensive car.
Does installation permanently modify the car?
Limitless Engineering says no, claiming the kit installs in hours without permanent modifications. This has not been independently verified, and integration complexity may differ significantly between vehicles.
Who is behind Quickshift?
The kit comes from Limitless Engineering, a new venture by Ferris Rezvani, founder of Rezvani Motors, the company known for vehicles such as the Tank and Vengeance.
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