They are the only ones got me a holley usb to can cable fast. Everyone else was backordered several months.

Everyone raving about customer service is telling the truth! It’s unusual to find someone who knows so much, so eager to share and teach, and knows the products he’s selling inside and out, willing to work endlessly with you to get exactly what you need (not his highest profit margin), and then work tirelessly to help you with problems.

Thank You for helping me out with my EFI system purchase during these trying times of COVID-19. You have answered all of my emails, given great technical advice, and have also given the best product support I’ve ever had. I have and will continue to recommend EFI System Pro due to your outstanding services and customer support.

I did not buy my holley sniper from EFI Pro Systems. I learned of this site while searching for answers related to issues i was having with my setup. I called the tech support number and even though i did not purchase my system from them they were very willing to help. I had actually called to inquire as to which upgrade card i needed for