This pipe replaces the factory pipe between the Throttle Body and Mass air flow sensor. The stock G35 pipe has sound baffles and other features that the Z tube does not have. The Z tube will increase induction noise under WOT.
Add this to the JWT intake for gains of 4-6 Hp!!
*** Fits 03-07 Inifiniti G35 Coupe and 03-06 Inifiniti Sedan ***