About DC Sports Polished Stainless Steel Headers DC Sports headers are made of 100% T-304-stainless steel, including the flanges, eliminating any chance of rust. Our DC Sports polished stainless-steel headers feature hand TIG welds at the flanges, and our brushed stainless-steel headers feature machine MIG welds at the flanges that foster a tooled, custom-fabricated look. * Every system is dyno-tested for maximum performance
* Equal length primary piping ensures optimum tuning of systems for more power across rpm range
* 100% 304 Stainless steel construction including the flanges (polished or brushed), or mild steel with ceramic coating
* CNC mandrel bends with robotically-welded fittings deliver perfect fit
* CNC-machined and threaded flanges and O-ring seals eliminate leaks
* Equal length primary piping ensures optimum tuning of systems for more power across rpm range
* All systems are C.A.R.B. exempt or pending C.A.R.B. exemption
* Includes comprehensive instructions and all necessary hardware This Header pair fits the 2009-2013 Infiniti G37 and Nissan 370Z and is part number: NHS4202
* Equal length primary piping ensures optimum tuning of systems for more power across rpm range
* 100% 304 Stainless steel construction including the flanges (polished or brushed), or mild steel with ceramic coating
* CNC mandrel bends with robotically-welded fittings deliver perfect fit
* CNC-machined and threaded flanges and O-ring seals eliminate leaks
* Equal length primary piping ensures optimum tuning of systems for more power across rpm range
* All systems are C.A.R.B. exempt or pending C.A.R.B. exemption
* Includes comprehensive instructions and all necessary hardware This Header pair fits the 2009-2013 Infiniti G37 and Nissan 370Z and is part number: NHS4202