• Each runner is ready for individual water/methanol injection nozzles. The pre-drilled and threaded 1/8″ NPT ports located on each runner will make installing your direct port water/meth setup easy. For builds not using water/methanol injection, you can simply block off the ports using the provided plugs.
  • Improves bottom end torque
  • Ideal for stock cars
  • Perfect for 37mm 39mm 41mm 42mm turbos
  • No tuning required.