These Gift Certificates are a great idea for that special car person in your life. No need to worry which harness, PCM or accessory they want or need, just provide them with these great PSI gift certificates and let them make the decision. We have a large range of certificates to fit everyone's budget. The value of the Gift Certificate can be adjusted once it is added to the shopping cart. Certificates are delivered via email to customer. All gift cards are valid for 365 days after purchase. Discounts do not apply.