Gearheads can now get a 20 hp performance boost over stock GM LSI/LS6 engines with the first composite aftermarket manifold from Fuel-Air-Spark Technologies, Ashland, Miss. The LSX intake is ...

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 ...