Refund Policy

HEX Tuning software has a 30 day return policy starting from the day HEX Flash Cable carrier tracking confirms delivery to your shipping address. 

To start a software return, email, please include your VIN number and invoice number.  A HEX Tuning representative must be able to verify that the vehicles ECU has been flashed back to stock which may require remote access by one of our technicians. Once the ECU has been flashed back to stock, the customer is responsible for return shipping of the HEX Flash device. After the HEX Flash device has been received, the refund will be processed within 24 – 72 hours.

All returns must be authorized and accompanied by a Return Authorization (RA) number, freight prepaid. No COD Freight Collect Returns will be accepted. All returned goods (not supercharger systems) will be subject to a restocking fee of 25%.

Supercharger systems, discontinued, damaged, and special order items are not refundable. All returned products (not supercharger systems) must be in “like new” condition. Credit will be issued after inspection by VF-Engineering. Please make the return within 15 days of receipt of a Return Authorization number and enclose a copy of the original invoice and a brief explanation of the reason for return.

Contact VF-Engineering Sales department (714) 528-0066/, asking for the Service Department to obtain your RA number and have a copy of the original invoice on which the product was purchased from VF-Engineering.


Dealer/Consumer has educated and researched the pros and cons or modifying their vehicle with high performance parts such as superchargers. Customer understands that modifying their car bares certain risks including engine failure and both parties understand and agree to hold VF Engineering harmless of liability from installation and use of this product.

This product is not California Emissions Compliant or CARB approved. It is therefore NOT legal for use on public roads in the State of California or other states with similar laws. It is understood that you are installing this product / having specific labor performed on a pollution controlled vehicle. The dealer/consumer is not absolved of responsibility by means of ignorance and is hereby informed. By installing this product on your vehicle you assume all responsibility and consequences.

Supercharger Systems are considered special order, and not returnable without written consent by VF Engineering. Dealer is responsible for providing product disclosures/terms and conditions to their consumers.

Post installation of this product may require trouble shooting/diagnostics. Components and sensors near the limit of their wear tolerance may need replacement. VF-Engineering is not responsible for trouble shooting, diagnostic costs or consequential cost. The purchaser/reseller assumes the risks of modifying a used vehicle and educating themselves on the common traits of their platform. It is the reseller’s responsibility to educate the end user of these terms and conditions.

** Not CARB approved. Not legal for street use in State of California. For OFF-ROAD use only **