FiTech recently introduced a line of affordable and easy-to-install self-tuning induction systems for GM LS engines designed with both the do-it-yourselfer and the professional EFI tuner in mind. The ...

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 ...

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 ...

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