American Racing: 2012-2018 Infiniti QX56 / QX80 5.6L Long System Headers, 1-3/4" or 1-7/8" shifter Diameter: 3/8"

Diameter: 3/8"

or applications with hard to ignite fuels such as alcohol

and national championships

- Reduce rear-end lift and increase high-speed cornering grip (the magnitude varies depending on a vehicle's shape)

American Racing: 2012-2018 Infiniti QX56 / QX80 5.6L Long System Headers, 1-3/4" or 1-7/8" shifter Diameter: 3/8"American Racing Headers: 2012 2018 Infiniti QX56 QX80 5. 6L Long System, 1 3 4" or 1 7 8" ARH QX56 QX80 Infiniti Long Systems are available with either 1 3 4 or 1 7 8 diameter, long tube primaries, each version featuring ARH exclusive TIG Welded 3 merge collectors and scavenger spikes. ARH headers feature 3 8 thick Stainless Steel flanges dressed with hand ported inlets. Without question, expect a great fit from our headers to match their outstanding