What happens when you add this LS6-style intake manifold to your LS1? You get some serious horsepower gains--up to 12 HP over stock. And Weiand left plenty of room to make more power, too. This lightweight aluminum intake has a surprisingly beefy design, which gives you plenty of room for porting. Plus, the manifold can handle the high intake pressures of nitrous or blower systems. Other notable features include an idle to 6,200 rpm powerband and a removable underside panel for access to the runners.
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Reviews of Weiand Intake Manifolds
