Fitment Information Nissan 350Z (2003, 2004, 2005, 2006) Infiniti G35 (2003, 2004, 2005, 2006) Specs & Features Carb 50 State legal (check status for C.A.R.B compatibility) C.A.R.B EO NUMBER: D-370-14 Made from T304 Stainless Steel Direct bolt on design CNC machined Flanges Dyno tested for maximum performance Primary Runner Inner Diameter: 1.75 inch Collector Diameter: 2.1 inch Designed and Tested in the U.S.A 12-month warranty Product Description Dyno tuned and tested for maximum performance. Comes in 100% 304 polished stainless steel (including flanges). CNC mandrel bends with TIG welded fittings deliver perfect fit. Equal length primary piping ensures optimum tuning for more power across rpm range. Unique merge collector design