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 ...

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 ...

That being the case, the recipe for a hearty "horsepower cake" still requires the proper mechanical ingredients; electronic alterations are simply the icing on that cake. The performance packages ...