Customer Reviews
Chucks Garage
They are the only ones got me a holley usb to can cable fast. Everyone else was backordered several months.
Posted 05/16/2022
James Campbell
Super informative, fast shipping, and so far a 5/5 experience! Strongly recommend.
Posted 01/09/2020
Bernard
Like many others, EFI System Pro allowed me to dial a new Holley Sniper. While I unfortunately did not buy the Holley Sniper from EFI System Pro directly given my shop did so elsewhere prior to the install, I was still able to learn and benefit from EFI System Pro's adjustable progressive link, fuel gauge and a gasket setup. Most import
Posted 12/07/2021
Registered User
Christopher McCloskey
The Ordering process was so easy and non-painful. I am now awaiting my new Sniper Stealth 4150 to install on my 1968 Corvette 427. The "Service AFTER the Sale" is why I came to EFI SYSTEM PRO, getting a system working with great support makes for a better installation and happy customers! I strongly recommend EFI System Pro.
Posted 03/13/2020
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