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If you need to submit a warranty claim for your vehicle, click below to fill out our form and get in touch.
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If your vehicle is out-of-warranty or the VIN will not validate, please submit a support ticket by clicking the button below.
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Want to confirm the authenticity of a Hennessey vehicle? Click the link below and enter the VIN to get a quick confirmation.
Hennessey Performance offers a 3-year / 36,000-mile limited warranty on modifications installed by Hennessey. The warranty covers defects in material and workmanship. It does not cover accidents, racing damage, or third-party modifications.
Contact Hennessey Support:
Use Pennzoil Ultra Platinum™ Full Synthetic motor oil and check the oil cap for the correct weight. If the vehicle was built with under 1,000 miles, change the oil after the first 1,000 miles. After that, change oil every 3,000 miles and use an OEM filter.
Drain the catch can at every oil change.
Use 93 octane fuel. 91 octane is the minimum. Do not use fuel additives, octane boosters, or lower-grade fuels.
Yes. You may take your vehicle to Ford, Chevy, Dodge, or other OEM dealerships. Tell the service center not to perform ECU flashing or software updates, as this can make the vehicle undrivable until Hennessey re-tunes it.
Interior care: Use a damp microfiber cloth and mild leather-safe soap for leather. Vacuum and lightly brush Ultrasuede/Alcantara. Use glass cleaners labeled safe for tinted windows.
Exterior care: Hand wash with pH-neutral shampoo, dry with a microfiber towel or chamois, and wax every six months. For matte paint or vinyl, use specialized cleaners and avoid waxing or polishing.
Use mild soap and water only. Do not use acidic cleaners or chrome polish. Apply non-abrasive wax to protect finishes. If wheel or tire sizes change, the Body Control Module must be recalibrated.
Stop driving and contact Hennessey Support.
Contact Hennessey Support at 1.979.885.1300 or support@hennesseyperformance.com.
The warranty does not cover accidents, racing damage, or third-party modifications.
Register your vehicle to create an official record of your Hennessey build. This helps future owners track the vehicle’s history.
You may take your vehicle to OEM dealerships such as Ford, Chevy, or Dodge. Tell the service center that ECU flashing or software updates should not be performed. An unintended update can make the vehicle undrivable until Hennessey retunes it.
Dealership staff should call 1.979.885.1300 or email support@hennesseyperformance.com
Use a light throttle for the first 1,500 miles. Allow oil, coolant, and transmission to reach operating temperature before exceeding 3,000 RPM.
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