ISR Performance High Flow Cat Nissan 350z Z33 2003-2006 VQ35DE vendor_BLOX Racing happens under the watchful eyes

happens under the watchful eyes of quality control experts obsessed with their jobs

that each radiator may be installed without modification to the vehicle

GDA/ GDB 00-07

Normal pre-paint prep required if painting (sanding and primer)

0L exhaust system and adding a Y-pipe

ISR Performance High Flow Cat Nissan 350z Z33 2003-2006 VQ35DE vendor_BLOX Racing happens under the watchful eyesPart #: IS HFC Z33 ISR Performance high flow cats are custom made utilizing 300 cell spun Metallic substrate to be less restrictive than stock, Letting you gain power while still converting harmful exhaust gasses, ISR HFC are Fully TIG welded with true mandrel bends throughout. ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC also retains the factory Oxygen sensor