The plenum uses the factory throttle body but includes a flange to suit up to 80mm. Plenum Pipes and Intercooler end tanks are mirror polished. Optional Plumb back pipes available. These plenums flow cooler and more even with less pressure drop. Dyno Sheet shows Full Kit (Plenum and Intercooler) fitted to an R33 GTS-T with standard turbo, standard ECU (with fuel cut defender), standard engine internals , adjustable exhaust cam gear, ram pod and full 3" Exhaust system.
