RB N54 High Flow Turbo Manifold Heat ShieldWith the addition of silicone outlet products we believe you can never have too much heat protection from the turbochargers. With that said we have developed this manifold cover giving Silicone products yet another barrier from very hot Turbo Manifolds. Fortunately the OEM manifolds are very well constructed via a double wall steel insulated air gap design (a very expensive production method), but this product again provides another layer of insulate