Top Swap: Let your LS3 breathe easier and make more power with an easy LSXr intake manifold upgrade from FAST Swapping intakes for more power is nothing new in the world of performance. Even with the ...

As hot rodders, our goal for doing anything to our cars falls into two categories: The first are things that makes it look better, and the second are projects that help our Chevys perform better. Now, ...

OK LS enthusiasts, here is a simple question about intake manifold design. What is more important: airflow or runner length? It’s obviously a trick question, as they are both important. Maybe a better ...

In last month's installment of our Building the Beast LS3 engine build series, we covered the assembly of the top end of our 416ci LS3, a process that involved bolting the RHS heads and FAST intake ...