Chevy GM LS1 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Polished and you can choose between

and you can choose between plain polished

allowing it to run cooler and quieter than external units

accurate movements when shifting

although slightly taller

and regulator

Chevy GM LS1 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Polished and you can choose betweenThe GM LS1 Modular Ram Air Intake Manifold was designed for high performance applications where induction system height is not limited. Couple this Hi Ram intake with the high flowing LS1 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications. The runner length and the tapered cross section were designed to perform well for a wide range of engine configurations.