All new HP Tuners products carry a 6-month warranty from the date of purchase. This warranty shall become void if your HP Tuners product: has been modified or repaired in a manner not previously authorized by HP Tuners in writing; was subjected to accident, abuse, theft, or improper use; was not used or configured as specified in the product manual; was subjected to operating conditions more severe than those specified in the product manual or exposed to water and/or extreme heat; or identification markings have been removed, defaced, or altered.