Hennessey Performance really does make cars better by taking already great machines and giving them more power and refined tuning that stays reliable over time. They work on models like the Chevrolet Corvette, Ford Mustang, and GMC Sierra, boosting engine output substantially. For example, a Corvette Z06 can see its horsepower jump from the factory 650 to over 800, while a Ford Mustang GT can move from 450 up to around 600. These gains are achieved through careful upgrades such as improved intake and exhaust systems, high-flow fuel injectors, and precision software mapping that keeps the engine running smoothly even under higher loads.
Their upgrades do more than just add raw power. Hennessey engineers focus on keeping the parts lasting through everyday use. They balance new high-strength components, like reinforced cylinder heads and forged pistons, with software maps that protect the engine and other driveline parts. Each upgrade is tested under real world conditions, ensuring that the drivers can enjoy an exciting performance boost without worrying about frequent breakdowns or expensive repairs down the line.
One of Hennessey’s most talked about offerings is the 1,000 horsepower package. Known as the HPE1000 upgrade, this package is available for cars like the Chevrolet Camaro ZL1 and the Ford Mustang Shelby GT500. It includes a twin-turbo setup, upgraded cooling system, heavy duty drivetrain parts, and custom tuning to manage heat and power delivery. Owners can experience a full 1,000 horsepower at the wheels, making these cars stand out at the track or on the road. Despite such extreme power, Hennessy still designs the package to be reliable enough for occasional street driving, thanks to careful calibration and high quality components.
Hennessey goes beyond changing cars by changing lives through their Tuner School. This is an institution built by the founder John Hennessey open to anyone, even if they have never worked on a vehicle before. Students pay a tuition fee and join remote classes where they learn the foundations of engine mechanics, tuning software, and specialty fields like forced induction or transmission work. Over three to four months, learners gain hands-on skills through guided workshops and virtual labs, and they graduate ready to work as full technicians in any specialty, from tuning to mechanical repair.
In a world where many performance shops focus only on parts and power, Hennessey sets itself apart by sharing knowledge. Their Tuner School graduates often find themselves working at Hennessey itself or start their own businesses, helping to grow a skilled community around car performance. So, Hennessey does more than bump horsepower and tune cars reliably. They also open doors for people to build careers, passing on expertise that can fuel the next generation of builders and tuners.
Their upgrades do more than just add raw power. Hennessey engineers focus on keeping the parts lasting through everyday use. They balance new high-strength components, like reinforced cylinder heads and forged pistons, with software maps that protect the engine and other driveline parts. Each upgrade is tested under real world conditions, ensuring that the drivers can enjoy an exciting performance boost without worrying about frequent breakdowns or expensive repairs down the line.
One of Hennessey’s most talked about offerings is the 1,000 horsepower package. Known as the HPE1000 upgrade, this package is available for cars like the Chevrolet Camaro ZL1 and the Ford Mustang Shelby GT500. It includes a twin-turbo setup, upgraded cooling system, heavy duty drivetrain parts, and custom tuning to manage heat and power delivery. Owners can experience a full 1,000 horsepower at the wheels, making these cars stand out at the track or on the road. Despite such extreme power, Hennessy still designs the package to be reliable enough for occasional street driving, thanks to careful calibration and high quality components.
Hennessey goes beyond changing cars by changing lives through their Tuner School. This is an institution built by the founder John Hennessey open to anyone, even if they have never worked on a vehicle before. Students pay a tuition fee and join remote classes where they learn the foundations of engine mechanics, tuning software, and specialty fields like forced induction or transmission work. Over three to four months, learners gain hands-on skills through guided workshops and virtual labs, and they graduate ready to work as full technicians in any specialty, from tuning to mechanical repair.
In a world where many performance shops focus only on parts and power, Hennessey sets itself apart by sharing knowledge. Their Tuner School graduates often find themselves working at Hennessey itself or start their own businesses, helping to grow a skilled community around car performance. So, Hennessey does more than bump horsepower and tune cars reliably. They also open doors for people to build careers, passing on expertise that can fuel the next generation of builders and tuners.
