Aftermarket EFI is nothing new. In fact, the first high-performance electronic fuel injection systems were introduced before some of our readers were even born. Those units were expensive, hard to ...

FiTech made a name for itself offering an affordable, self-learning throttle body EFI system and now the company has upped the ante with the Ultimate Torque LS composite intake kit. Previously, FiTech ...

Testing out FiTech's new EFI throttle body system on an iron 5.7L LS engine. Intake is a single-plane Holley unit.

Isn’t technology just grand? It is especially when it’s aimed at hot rods and classic cars. A perfect example of technology that makes our lives easier and better is when it comes to fuel injection.