The Fox Lake P51 Intake Manifold 2v is a high-performance intake manifold that is no longer produced and back in the day and still now the best option for an aftermarket intake manifold for 2 valves especially in a boosted application. These manifold have been known to have no top end horsepower, or Tq loss and have great mid range gains. This one has beautiful porting done to it and is not missing any of the specific hardware needed to install.