What adds more power to your LS, bolt-ons or the bottle?

Runner length is a key design element of the intake manifold. What if you could adjust the runner length to suit your combination?

FAST’s interchangeable runners push horsepower ceiling!

Words And Photos: Richard Holdener GM may have offered a couple of more powerful factory LS motors, but the LSA and LS9 each required a hefty dose of forced induction to top the magnificent 7.0L LS7. Sporting more t