The Nissan GTR JCR Carbon Fibre Inlet Manifold is a full carbon fibre inlet manifold replacement that allows your engine package to perform optimally. It is a piece of automotive art once fitted with a 12.48% increase in HP and an 11.94% increase in Torque. The JCR inlet manifold for your GTR will improve transient throttle response and on/off response due to correctly sized plenums and optimised bellmouth & runner design. The Nissan GTR JCR Carbon Fibre Inlet Manifold weighs a mere 1.6kg complete, cutting over 75% over the stock inlet manifold. Each intake manifold is stress tested to 6bar/87psi over a period of 24h which is then signed off. They have also been tested up to 10bar/147psi with 100% contingency.